diff --git a/Makefile b/Makefile
index a7a10bf32..980ab26b2 100644
--- a/Makefile
+++ b/Makefile
@@ -181,7 +181,7 @@ endif
 
 ifeq ($(strip $(MIDI_ENABLE)), yes)
     OPT_DEFS += -DMIDI_ENABLE
-	SRC += $(QUANTUM_DIR)/process_keycode/process_audio.c
+	SRC += $(QUANTUM_DIR)/process_keycode/process_midi.c
 endif
 
 ifeq ($(strip $(AUDIO_ENABLE)), yes)
diff --git a/keyboards/lets_split/config.h b/keyboards/lets_split/config.h
index 833818ce6..ec99514aa 100644
--- a/keyboards/lets_split/config.h
+++ b/keyboards/lets_split/config.h
@@ -69,9 +69,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 )
 
 /* ws2812 RGB LED */
-#define RGB_DI_PIN D2
+#define RGB_DI_PIN D4
 #define RGBLIGHT_TIMER
-#define RGBLED_NUM 28     // Number of LEDs
+#define RGBLED_NUM 8     // Number of LEDs
 #define RGBLIGHT_HUE_STEP 10
 #define RGBLIGHT_SAT_STEP 17
 #define RGBLIGHT_VAL_STEP 17
diff --git a/keyboards/planck/keymaps/default/Makefile b/keyboards/planck/keymaps/default/Makefile
index 581e08cd0..38a504a27 100644
--- a/keyboards/planck/keymaps/default/Makefile
+++ b/keyboards/planck/keymaps/default/Makefile
@@ -11,7 +11,7 @@ CONSOLE_ENABLE = no         # Console for debug(+400)
 COMMAND_ENABLE = yes        # Commands for debug and configuration
 NKRO_ENABLE = yes            # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
 BACKLIGHT_ENABLE = yes      # Enable keyboard backlight functionality
-MIDI_ENABLE = no            # MIDI controls
+MIDI_ENABLE = yes            # MIDI controls
 AUDIO_ENABLE = yes           # Audio output on port C6
 UNICODE_ENABLE = no         # Unicode
 BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
diff --git a/quantum/keymap_common.c b/quantum/keymap_common.c
index d0a8312c1..833e5a8f8 100644
--- a/quantum/keymap_common.c
+++ b/quantum/keymap_common.c
@@ -30,7 +30,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "quantum.h"
 
 #ifdef MIDI_ENABLE
-	#include "keymap_midi.h"
+	#include "process_midi.h"
 #endif
 
 extern keymap_config_t keymap_config;
diff --git a/quantum/process_keycode/process_midi.c b/quantum/process_keycode/process_midi.c
index d6ab9c626..8784e64f3 100644
--- a/quantum/process_keycode/process_midi.c
+++ b/quantum/process_keycode/process_midi.c
@@ -1,8 +1,8 @@
 #include "process_midi.h"
 
 bool midi_activated = false;
-uint8_t starting_note = 0x0C;
-int offset = 7;
+uint8_t midi_starting_note = 0x0C;
+int midi_offset = 7;
 
 bool process_midi(uint16_t keycode, keyrecord_t *record) {
     if (keycode == MI_ON && record->event.pressed) {
@@ -20,42 +20,42 @@ bool process_midi(uint16_t keycode, keyrecord_t *record) {
     if (midi_activated) {
       if (record->event.key.col == (MATRIX_COLS - 1) && record->event.key.row == (MATRIX_ROWS - 1)) {
           if (record->event.pressed) {
-              starting_note++; // Change key
+              midi_starting_note++; // Change key
               midi_send_cc(&midi_device, 0, 0x7B, 0);
           }
           return false;
       }
       if (record->event.key.col == (MATRIX_COLS - 2) && record->event.key.row == (MATRIX_ROWS - 1)) {
           if (record->event.pressed) {
-              starting_note--; // Change key
+              midi_starting_note--; // Change key
               midi_send_cc(&midi_device, 0, 0x7B, 0);
           }
           return false;
       }
       if (record->event.key.col == (MATRIX_COLS - 3) && record->event.key.row == (MATRIX_ROWS - 1) && record->event.pressed) {
-          offset++; // Change scale
+          midi_offset++; // Change scale
           midi_send_cc(&midi_device, 0, 0x7B, 0);
           return false;
       }
       if (record->event.key.col == (MATRIX_COLS - 4) && record->event.key.row == (MATRIX_ROWS - 1) && record->event.pressed) {
-          offset--; // Change scale
+          midi_offset--; // Change scale
           midi_send_cc(&midi_device, 0, 0x7B, 0);
           return false;
       }
       // basic
-      // uint8_t note = (starting_note + SCALE[record->event.key.col + offset])+12*(MATRIX_ROWS - record->event.key.row);
+      // uint8_t note = (midi_starting_note + SCALE[record->event.key.col + midi_offset])+12*(MATRIX_ROWS - record->event.key.row);
       // advanced
-      // uint8_t note = (starting_note + record->event.key.col + offset)+12*(MATRIX_ROWS - record->event.key.row);
+      // uint8_t note = (midi_starting_note + record->event.key.col + midi_offset)+12*(MATRIX_ROWS - record->event.key.row);
       // guitar
-      uint8_t note = (starting_note + record->event.key.col + offset)+5*(MATRIX_ROWS - record->event.key.row);
+      uint8_t note = (midi_starting_note + record->event.key.col + midi_offset)+5*(MATRIX_ROWS - record->event.key.row);
       // violin
-      // uint8_t note = (starting_note + record->event.key.col + offset)+7*(MATRIX_ROWS - record->event.key.row);
+      // uint8_t note = (midi_starting_note + record->event.key.col + midi_offset)+7*(MATRIX_ROWS - record->event.key.row);
 
       if (record->event.pressed) {
-        // midi_send_noteon(&midi_device, record->event.key.row, starting_note + SCALE[record->event.key.col], 127);
+        // midi_send_noteon(&midi_device, record->event.key.row, midi_starting_note + SCALE[record->event.key.col], 127);
         midi_send_noteon(&midi_device, 0, note, 127);
       } else {
-        // midi_send_noteoff(&midi_device, record->event.key.row, starting_note + SCALE[record->event.key.col], 127);
+        // midi_send_noteoff(&midi_device, record->event.key.row, midi_starting_note + SCALE[record->event.key.col], 127);
         midi_send_noteoff(&midi_device, 0, note, 127);
       }