[Keymap] addition for mjuma in keyboards/planck/keymaps (#10885)

* Add planck layout

* switch gaming toggle to TG

* rename readme

4 files changed, 445 insertions, 0 deletions

diff --git a/keyboards/planck/keymaps/mjuma/config.h b/keyboards/planck/keymaps/mjuma/config.h
new file mode 100644
index 0000000000..f399fa0c23
--- /dev/null
+++ b/keyboards/planck/keymaps/mjuma/config.h
@@ -0,0 +1,28 @@
+/* Copyright 2017-2021 M Juma
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#ifdef AUDIO_ENABLE
+    #define STARTUP_SONG SONG(PLANCK_SOUND)
+
+    #define DEFAULT_LAYER_SONGS { SONG(QWERTY_SOUND), \
+                                  SONG(COLEMAK_SOUND), \
+                                  SONG(DVORAK_SOUND) \
+                                }
+#endif
+
+#define TAPPING_TERM 200
diff --git a/keyboards/planck/keymaps/mjuma/keymap.c b/keyboards/planck/keymaps/mjuma/keymap.c
new file mode 100644
index 0000000000..2204fb2881
--- /dev/null
+++ b/keyboards/planck/keymaps/mjuma/keymap.c
@@ -0,0 +1,231 @@
+/* Copyright 2017-2021 M Juma
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include QMK_KEYBOARD_H
+#include "muse.h"
+
+enum planck_layers {
+    _QWERTY,
+    _LOWER,
+    _RAISE,
+    _GAMING,
+    _ADJUST,
+    _FN,
+    _SPACE_FN
+};
+
+enum planck_keycodes {
+    QWERTY = SAFE_RANGE,
+    GAMING
+};
+
+enum taps {
+    TD_SHIFT_CAPS = 0
+};
+
+qk_tap_dance_action_t tap_dance_actions[] = {
+    [TD_SHIFT_CAPS]  = ACTION_TAP_DANCE_DOUBLE(KC_LSFT, KC_CAPS)
+};
+
+// Fillers to make layering more clear
+#define LOWER MO(_LOWER)
+#define RAISE MO(_RAISE)
+#define FN MO(_FN)
+#define SPACE_FN LT(_SPACE_FN, KC_SPC)
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+/* Qwerty
+ * ,-----------------------------------------------------------------------------------.
+ * | Tab  |   Q  |   W  |   E  |   R  |   T  |   Y  |   U  |   I  |   O  |   P  | Bksp |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * | GEsc |   A  |   S  |   D  |   F  |   G  |   H  |   J  |   K  |   L  |   ;  |  "   |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * | Shift|   Z  |   X  |   C  |   V  |   B  |   N  |   M  |   ,  |   .  |   /  |Enter |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | Ctrl | FN   | GUI  | Alt  |Lower |  Space FN   |Raise | Left | Down |  Up  |Right |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_QWERTY] = LAYOUT_planck_grid(
+    KC_TAB,            KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,      KC_Y,      KC_U,    KC_I,    KC_O,    KC_P,    KC_BSPC,
+    KC_GESC,           KC_A,    KC_S,    KC_D,    KC_F,    KC_G,      KC_H,      KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT,
+    TD(TD_SHIFT_CAPS), KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,      KC_N,      KC_M,    KC_COMM, KC_DOT,  KC_SLSH, MT(MOD_RSFT, KC_ENT),
+    KC_LCTL,           FN,      KC_LALT, KC_LGUI, LOWER,   SPACE_FN,  SPACE_FN,  RAISE,   KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT
+),
+
+/* Raise
+ * ,-----------------------------------------------------------------------------------.
+ * |   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Bksp |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * |      |      |      |      |      |      |   *  |   4  |   5  |   6  |   -  |  \   |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * |      |      |      |      |      |      |   /  |   1  |   2  |   3  |   +  |Enter |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * |      |      |      |      |      |    Space    |      |   0  |   .  |   =  |      |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_RAISE] = LAYOUT_planck_grid(
+    KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,     KC_7,     KC_8,    KC_9,     KC_0,     KC_BSPC,
+    _______, _______, _______, _______, _______, _______, KC_PAST,  KC_4,     KC_5,    KC_6,     KC_PMNS,  KC_BSLS,
+    _______, _______, _______, _______, _______, _______, KC_PSLS,  KC_1,     KC_2,    KC_3,     KC_PPLS,  MT(MOD_LSFT, KC_ENT),
+    _______, _______, _______, _______, _______, KC_SPC,  KC_SPC,   _______,  KC_0,    KC_PDOT,  KC_PEQL,  _______
+),
+
+/* Lower
+ * ,-----------------------------------------------------------------------------------.
+ * |   ~  |   !  |   @  |   #  |   $  |   %  |   ^  |   &  |   *  |   (  |   )  | Bksp |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * |      |      |      |   /  |   {  |   [  |   ]  |   }  |   \  |   -  |   =  |  |   |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * |      |      |      |      |      |      |      |      |      |   _  |   +  |Enter |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * |      |      |      |      |      |    Space    |      | Home | PgDn | PgUp | End  |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_LOWER] = LAYOUT_planck_grid(
+    KC_TILD, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_CIRC, KC_AMPR,    KC_ASTR,    KC_LPRN, KC_RPRN, KC_BSPC,
+    _______, _______, _______, KC_SLSH,    KC_LCBR,  KC_LBRC,  KC_RBRC,  KC_RCBR, KC_BSLS, KC_MINS, KC_EQL,  KC_PIPE,
+    _______, _______, _______, _______,    _______,  _______,  _______,  _______, _______, KC_UNDS, KC_PLUS, MT(MOD_LSFT, KC_ENT),
+    _______, _______, _______, _______,    _______,  KC_SPC,   KC_SPC,   _______, KC_HOME, KC_PGDN, KC_PGUP, KC_END
+),
+
+/* fn
+ * ,-----------------------------------------------------------------------------------.
+ * |      |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |  F7  |  F8  |  F9  | F10  | Del  |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * |      |  F11 |  F12 |  F13 |  F14 |  F15 |      |INSERT| Home | PgUp |      |      |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * |      |      |      |      |      |      |      |DELETE| End  | PgDn |      | Enter|
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * |      |      |      |      |      |    Space    |      |      |      |      |      |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_FN] = LAYOUT_planck_grid(
+    _______, KC_F1,   KC_F2,   KC_F3,   KC_F4,    KC_F5,    KC_F6,    KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_DEL,
+    _______, KC_F11,  KC_F12,  KC_F13,  KC_F14,   KC_F15,   _______,  KC_INS,  KC_HOME, KC_PGUP, _______, _______,
+    _______, _______, _______, _______, _______,  _______,  _______,  KC_DEL,  KC_END,  KC_PGDN, _______, MT(MOD_LSFT, KC_ENT),
+    _______, _______, _______, _______, _______,  KC_SPC,   KC_SPC,   _______, _______, _______, _______, _______
+),
+
+/* Space fn
+ * ,------------------------------------------------------------------------------------.
+ * |PRNT SC|      |  UP  |      |      |      |      |      |      |      |      |      |
+ * |-------+------+------+------+------+-------------+------+------+------+------+------|
+ * |       | LEFT | DOWN | RIGHT|      |      | LEFT | DOWN |  UP  | RIGHT|      |      |
+ * |-------+------+------+------+------+------|------+------+------+------+------+------|
+ * |       |ALT+1 |ALT+2 |ALT+3 |ALT+4 |ALT+5 |ALT+6 |ALT+7 |ALT+8 |ALT+9 |ALT+10|      |
+ * |-------+------+------+------+------+------+------+------+------+------+------+------|
+ * |       |      |      |      |VOLDWN|             |VOL UP| PREV | MUTE |PLY/PS| NEXT |
+ * `------------------------------------------------------------------------------------'
+ */
+[_SPACE_FN] = LAYOUT_planck_grid(
+    KC_PSCR, _______,    KC_UP,      _______,    _______,    _______,    _______,    _______,    _______,    _______,    _______,    _______,
+    _______, KC_LEFT,    KC_DOWN,    KC_RIGHT,   _______,    _______,    KC_LEFT,    KC_DOWN,    KC_UP,      KC_RIGHT,   _______,    _______,
+    _______, LALT(KC_1), LALT(KC_2), LALT(KC_3), LALT(KC_4), LALT(KC_5), LALT(KC_6), LALT(KC_7), LALT(KC_8), LALT(KC_9), LALT(KC_0), _______,
+    _______, _______,    _______,    _______,    KC_VOLD,    _______,    _______,    KC_VOLU,    KC_MPRV,    KC_MUTE,    KC_MPLY,    KC_MNXT
+),
+
+/* Gaming Layer
+ * ,-----------------------------------------------------------------------------------.
+ * | Tab  |   Q  |   W  |   E  |   R  |   T  |   Y  |   U  |   I  |   O  |   P  | Bksp |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * | Esc  |   A  |   S  |   D  |   F  |   G  |   H  |   J  |   K  |   L  |   ;  |  "   |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * | Shift|   Z  |   X  |   C  |   V  |   B  |   N  |   M  |   ,  |   .  |   /  |Enter |
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * | Ctrl | FN   | GUI  | Alt  |Lower |    Space    |Raise | Left | Down |  Up  |Right |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_GAMING] = LAYOUT_planck_grid(
+    KC_TAB,            KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,      KC_Y,      KC_U,    KC_I,    KC_O,    KC_P,    KC_BSPC,
+    KC_GESC,           KC_A,    KC_S,    KC_D,    KC_F,    KC_G,      KC_H,      KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT,
+    TD(TD_SHIFT_CAPS), KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,      KC_N,      KC_M,    KC_COMM, KC_DOT,  KC_SLSH, MT(MOD_RSFT, KC_ENT),
+    KC_LCTL, FN,       KC_LGUI, KC_LALT, LOWER,   KC_SPC,  KC_SPC,    RAISE,     KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT
+),
+
+
+/* Adjust (Lower + Raise)
+ * ,-----------------------------------------------------------------------------------.
+ * |      |RESET |DEBUG |      |      |      |      |DMREC1|DMREC2|      |      |      |
+ * |------+------+------+------+------+-------------+------+------+------+------+------|
+ * |      |GAMING|      |      |      |      |      |DMPLY1|DMPLY2|Audoff|Aud on|      |
+ * |------+------+------+------+------+------|------+------+------+------+------+------|
+ * |      |      |      |      |      |      |      |DMRSTP|      |Musoff|Mus on|MusMod|
+ * |------+------+------+------+------+------+------+------+------+------+------+------|
+ * |      |      |      |AG_TOG|      |             |      |      |Voice-|Voice+|      |
+ * `-----------------------------------------------------------------------------------'
+ */
+[_ADJUST] = LAYOUT_planck_grid(
+    _______, RESET,   DEBUG,     _______,   _______,  _______, _______, DM_REC1, DM_REC2,   _______,   _______,   _______,
+    _______, TG(_GAMING), ___,   _______,   _______,  _______, _______, DM_PLY1, DM_PLY2,   AU_OFF,    AU_ON,     _______,
+    _______, _______, _______,   _______,   _______,  _______, _______, DM_RSTP, _______,   MU_OFF,    MU_ON,     MU_MOD,
+    _______, _______, _______,   AG_TOGG,   _______,  _______, _______, _______, _______,   MUV_DE,    MUV_IN,    _______
+)
+
+};
+
+/* Layer Change Code
+ * Runs everytime the layer gets changed
+ */
+layer_state_t layer_state_set_user(layer_state_t state) {
+    return update_tri_layer_state(state, _LOWER, _RAISE, _ADJUST);
+}
+
+bool muse_mode = false;
+uint8_t last_muse_note = 0;
+uint16_t muse_counter = 0;
+uint8_t muse_offset = 70;
+uint16_t muse_tempo = 50;
+
+void dip_switch_update_user(uint8_t index, bool active) {
+    switch (index) {
+        case 1:
+            if (active) {
+                muse_mode = true;
+            } else {
+                muse_mode = false;
+            }
+    }
+}
+
+void matrix_scan_user(void) {
+    #ifdef AUDIO_ENABLE
+        if (muse_mode) {
+            if (muse_counter == 0) {
+                uint8_t muse_note = muse_offset + SCALE[muse_clock_pulse()];
+                if (muse_note != last_muse_note) {
+                    stop_note(compute_freq_for_midi_note(last_muse_note));
+                    play_note(compute_freq_for_midi_note(muse_note), 0xF);
+                    last_muse_note = muse_note;
+                }
+            }
+            muse_counter = (muse_counter + 1) % muse_tempo;
+        }
+    #endif
+}
+
+/* Controls which keycodes are processed when in music mode
+ * Return: false if key should be honored in music mode
+ */
+bool music_mask_user(uint16_t keycode) {
+    switch (keycode) {
+        case RAISE:
+        case LOWER:
+            return false;
+        default:
+            return true;
+    }
+}
diff --git a/keyboards/planck/keymaps/mjuma/readme.md b/keyboards/planck/keymaps/mjuma/readme.md
new file mode 100644
index 0000000000..bc5d0c77f0
--- /dev/null
+++ b/keyboards/planck/keymaps/mjuma/readme.md
@@ -0,0 +1,183 @@
+# M Juma Planck Layout
+
+## Layers
+
+```ascii
+Keymap: 32 Layers                   Layer: action code matrix
+-----------------                   ---------------------
+stack of layers                     array_of_action_code[row][column]
+       ____________ precedence               _______________________
+      /           / | high                  / ESC / F1  / F2  / F3   ....
+  31 /___________// |                      /-----/-----/-----/-----
+  30 /___________// |                     / TAB /  Q  /  W  /  E   ....
+  29 /___________/  |                    /-----/-----/-----/-----
+   :   _:_:_:_:_:__ |               :   /LCtrl/  A  /  S  /  D   ....
+   :  / : : : : : / |               :  /  :     :     :     :
+   2 /___________// |               2 `--------------------------
+   1 /___________// |               1 `--------------------------
+   0 /___________/  V low           0 `--------------------------
+```
+
+### Qwerty
+
+```ascii
+,-----------------------------------------------------------------------------------.
+| Tab  |   Q  |   W  |   E  |   R  |   T  |   Y  |   U  |   I  |   O  |   P  | Bksp |
+|------+------+------+------+------+-------------+------+------+------+------+------|
+| GEsc |   A  |   S  |   D  |   F  |   G  |   H  |   J  |   K  |   L  |   ;  |  "   |
+|------+------+------+------+------+------|------+------+------+------+------+------|
+| Shift|   Z  |   X  |   C  |   V  |   B  |   N  |   M  |   ,  |   .  |   /  |Enter |
+|------+------+------+------+------+------+------+------+------+------+------+------|
+| Ctrl | FN   | GUI  | Alt  |Lower |  Space FN   |Raise | Left | Down |  Up  |Right |
+`-----------------------------------------------------------------------------------'
+```
+
+#### Qwerty Layer Features
+
+- [Grave Escape](https://docs.qmk.fm/#/feature_grave_esc)
+- [Tap Dance](https://docs.qmk.fm/#/feature_tap_dance) Left Shift
+    - Tap => Shift
+    - Double Tap => Capslock
+- [Mod-Tap](https://docs.qmk.fm/#/mod_tap) Enter
+    - Tap => Enter
+    - Hold => Right Shift
+- [Layer Toggle](https://docs.qmk.fm/#/feature_layers) Space
+    - Tap => Space
+    - Hold => Activate ***Space Function*** Layer
+
+### Raise
+
+```ascii
+,-----------------------------------------------------------------------------------.
+|   `  |   1  |   2  |   3  |   4  |   5  |   6  |   7  |   8  |   9  |   0  | Bksp |
+|------+------+------+------+------+-------------+------+------+------+------+------|
+|      |      |      |      |      |      |   *  |   4  |   5  |   6  |   -  |  \   |
+|------+------+------+------+------+------|------+------+------+------+------+------|
+|      |      |      |      |      |      |   /  |   1  |   2  |   3  |   +  |Enter |
+|------+------+------+------+------+------+------+------+------+------+------+------|
+|      |      |      |      |      |    Space    |      |   0  |   .  |   =  |      |
+`-----------------------------------------------------------------------------------'
+```
+
+### Lower
+
+```ascii
+,-----------------------------------------------------------------------------------.
+|   ~  |   !  |   @  |   #  |   $  |   %  |   ^  |   &  |   *  |   (  |   )  | Bksp |
+|------+------+------+------+------+-------------+------+------+------+------+------|
+|      |      |      |   /  |   {  |   [  |   ]  |   }  |   \  |   -  |   =  |  |   |
+|------+------+------+------+------+------|------+------+------+------+------+------|
+|      |      |      |      |      |      |      |      |      |   _  |   +  |Enter |
+|------+------+------+------+------+------+------+------+------+------+------+------|
+|      |      |      |      |      |    Space    |      | Home | PgDn | PgUp | End  |
+`-----------------------------------------------------------------------------------'
+```
+
+### Function
+
+```ascii
+,-----------------------------------------------------------------------------------.
+|      |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |  F7  |  F8  |  F9  | F10  | Del  |
+|------+------+------+------+------+-------------+------+------+------+------+------|
+|      |  F11 |  F12 |  F13 |  F14 |  F15 |      |INSERT| Home | PgUp |      |      |
+|------+------+------+------+------+------|------+------+------+------+------+------|
+|      |      |      |      |      |      |      |DELETE| End  | PgDn |      | Enter|
+|------+------+------+------+------+------+------+------+------+------+------+------|
+|      |      |      |      |      |    Space    |      |      |      |      |      |
+`-----------------------------------------------------------------------------------'
+```
+
+### Space Function
+
+```ascii
+,------------------------------------------------------------------------------------.
+|PRNT SC|      |  UP  |      |      |      |      |      |      |      |      |      |
+|-------+------+------+------+------+-------------+------+------+------+------+------|
+|       | LEFT | DOWN | RIGHT|      |      | LEFT | DOWN |  UP  | RIGHT|      |      |
+|-------+------+------+------+------+------|------+------+------+------+------+------|
+|       |ALT+1 |ALT+2 |ALT+3 |ALT+4 |ALT+5 |ALT+6 |ALT+7 |ALT+8 |ALT+9 |ALT+10|      |
+|-------+------+------+------+------+------+------+------+------+------+------+------|
+|       |      |      |      |VOLDWN|             |VOL UP| PREV | MUTE |PLY/PS| NEXT |
+`------------------------------------------------------------------------------------'
+```
+
+### Gaming
+
+```ascii
+,-----------------------------------------------------------------------------------.
+| Tab  |   Q  |   W  |   E  |   R  |   T  |   Y  |   U  |   I  |   O  |   P  | Bksp |
+|------+------+------+------+------+-------------+------+------+------+------+------|
+| Esc  |   A  |   S  |   D  |   F  |   G  |   H  |   J  |   K  |   L  |   ;  |  "   |
+|------+------+------+------+------+------|------+------+------+------+------+------|
+| Shift|   Z  |   X  |   C  |   V  |   B  |   N  |   M  |   ,  |   .  |   /  |Enter |
+|------+------+------+------+------+------+------+------+------+------+------+------|
+| Ctrl | FN   | GUI  | Alt  |Lower |    Space    |Raise | Left | Down |  Up  |Right |
+`-----------------------------------------------------------------------------------'
+```
+
+### Adjust (Lower + Raise)
+
+```ascii
+,-----------------------------------------------------------------------------------.
+|      |RESET |DEBUG |      |      |      |      |DMREC1|DMREC2|      |      |      |
+|------+------+------+------+------+-------------+------+------+------+------+------|
+|      |GAMING|      |      |      |      |      |DMPLY1|DMPLY2|Audoff|Aud on|      |
+|------+------+------+------+------+------|------+------+------+------+------+------|
+|      |      |      |      |      |      |      |DMRSTP|      |Musoff|Mus on|MusMod|
+|------+------+------+------+------+------+------+------+------+------+------+------|
+|      |      |      |AG_TOG|      |             |      |      |Voice-|Voice+|      |
+`-----------------------------------------------------------------------------------'
+```
+
+#### Adjust Layer Features
+
+```text
+RESET:       Put the keyboard into bootloader mode for flashing
+DEBUG:       Toggle debug mode
+EEP_RST:     Reinitializes the keyboard’s EEPROM (persistent memory)
+
+AG_TOG:      Toggle Alt and GUI swap on both sides (Mac)
+
+DM_REC1:     Start recording Macro 1
+DM_REC2:     Start recording Macro 2
+DM_PLY1:     Replay Macro 1
+DM_PLY2:     Replay Macro 2
+DM_RSTP:     Finish the macro that is currently being recorded.
+
+AU_ON:   Audio mode on
+AU_OFF:  Audio mode off
+AU_TOG:  Toggles Audio mode
+MU_ON:   Turn music mode on
+MU_OFF:  Turn music mode off
+MU_TOG:  Toggle music mode
+MU_MOD:  Cycle through the music modes:
+    CHROMATIC_MODE:  Chromatic scale, row changes the octave
+    GUITAR_MODE:     Chromatic scale, but the row changes the string (+5 st)
+    VIOLIN_MODE:     Chromatic scale, but the row changes the string (+7 st)
+    MAJOR_MODE:      Major scale
+
+In Music Mode:
+    LCTL:    start a recording
+    LALT:    stop recording/stop playing
+    LGUI:    play recording
+    KC_UP:   speed-up playback
+    KC_DOWN: slow-down playback
+```
+
+## Compilation
+
+Use the docker image to compile this keyboard layout by running the following from the root of the repo:
+
+```sh
+util/docker_build.sh planck/rev6:mjuma
+```
+
+## Flashing
+
+Flashing on linux can be done through the docker image
+
+```sh
+sudo util/docker_build.sh planck/rev6:mjuma:flash
+```
+
+or on Windows using the [QMK Toolbox](https://github.com/qmk/qmk_toolbox)
diff --git a/keyboards/planck/keymaps/mjuma/rules.mk b/keyboards/planck/keymaps/mjuma/rules.mk
new file mode 100644
index 0000000000..60f314e82b
--- /dev/null
+++ b/keyboards/planck/keymaps/mjuma/rules.mk
@@ -0,0 +1,3 @@
+SRC += muse.c
+DYNAMIC_MACRO_ENABLE = yes
+TAP_DANCE_ENABLE = yes