qmk-dactyl-manuform-a/keyboards/satan/keymaps/midi/config.h

#ifndef CONFIG_USER_H
#define CONFIG_USER_H

#include "../../config.h"

// place overrides here

/* override number of MIDI tone keycodes (each octave adds 12 bytes) */
#define MIDI_TONE_KEYCODE_OCTAVES 2

#endif