Instrument Constants

Instruments (also known as MIDI program changes) are represented as in the MIDI specification using integers from 0 to 127. That’s a total of 128 timbre settings.

The music library defines the following instrument constants for convenience:

Constant	Value
`ACOUSTIC_GRAND`, `PIANO`	`0`
`BRIGHT_ACOUSTIC`	`1`
`ELECTRIC_GRAND`	`2`
`HONKYTONK_PIANO`, `HONKYTONK`	`3`
`EPIANO`, `EPIANO1`, `RHODES_PIANO`, `RHODES`	`4`
`EPIANO2`, `DX_PIANO`, `DX`	`5`
`HARPSICHORD`	`6`
`CLAVINET`	`7`
`CELESTA`	`8`
`GLOCKENSPIEL`	`9`
`MUSIC_BOX`	`10`
`VIBRAPHONE`, `VIBES`	`11`
`MARIMBA`	`12`
`XYLOPHONE`	`13`
`BELLS`, `TUBULAR_BELLS`	`14`
`DULCIMER`	`15`
`DRAWBAR_ORGAN`, `ORGAN`	`16`
`PERCUSSIVE_ORGAN`, `JAZZ_ORGAN`	`17`
`ROCK_ORGAN`	`18`
`CHURCH_ORGAN`	`19`
`REED_ORGAN`	`20`
`ACCORDION`	`21`
`HARMONICA`	`22`
`TANGO_ACCORDION`, `BANDONEON`	`23`
`NYLON_GUITAR`, `GUITAR`	`24`
`STEEL_GUITAR`	`25`
`JAZZ_GUITAR`	`26`
`CLEAN_GUITAR`, `ELECTRIC_GUITAR`	`27`
`MUTED_GUITAR`	`28`
`OVERDRIVE_GUITAR`, `OVERDRIVEN_GUITAR`	`29`
`DISTORTION_GUITAR`	`30`
`GUITAR_HARMONICS`	`31`
`ACOUSTIC_BASS`	`32`
`BASS`, `ELECTRIC_BASS`, `FINGERED_BASS`	`33`
`PICKED_BASS`	`34`
`FRETLESS_BASS`	`35`
`SLAP_BASS1`	`36`
`SLAP_BASS2`	`37`
`SYNTH_BASS1`	`38`
`SYNTH_BASS2`	`39`
`VIOLIN`	`40`
`VIOLA`	`41`
`CELLO`	`42`
`CONTRABASS`	`43`
`TREMOLO_STRINGS`	`44`
`PIZZICATO_STRINGS`	`45`
`ORCHESTRAL_HARP`, `HARP`	`46`
`TIMPANI`	`47`
`STRING_ENSEMBLE1`, `STRINGS`	`48`
`STRING_ENSEMBLE2`	`49`
`SYNTH_STRINGS1`, `SYNTH`	`50`
`SYNTH_STRINGS2`	`51`
`CHOIR_AHHS`, `CHOIR`	`52`
`VOICE_OOHS`, `VOICE`	`53`
`SYNTH_VOICE`, `VOX`	`54`
`ORCHESTRA_HIT`	`55`
`TRUMPET`	`56`
`TROMBONE`	`57`
`TUBA`	`58`
`MUTED_TRUMPET`	`59`
`FRENCH_HORN`, `HORN`	`60`
`BRASS_SECTION`, `BRASS`	`61`
`SYNTH_BRASS1`	`62`
`SYNTH_BRASS2`	`63`
`SOPRANO_SAX`, `SOPRANO_SAXOPHONE`	`64`
`ALTO_SAX`, `ALTO_SAXOPHONE`	`65`
`TENOR_SAX`, `TENOR_SAXOPHONE`, `SAX`, `SAXOPHONE`	`66`
`BARITONE_SAX`, `BARITONE_SAXOPHONE`	`67`
`OBOE`	`68`
`ENGLISH_HORN`	`69`
`BASSOON`	`70`
`CLARINET`	`71`
`PICCOLO`	`72`
`FLUTE`	`73`
`RECORDER`	`74`
`PAN_FLUTE`	`75`
`BLOWN_BOTTLE`, `BOTTLE`	`76`
`SHAKUHACHI`	`77`
`WHISTLE`	`78`
`OCARINA`	`79`
`LEAD_1_SQUARE`, `SQUARE`	`80`
`LEAD_2_SAWTOOTH`, `SAWTOOTH`	`81`
`LEAD_3_CALLIOPE`, `CALLIOPE`	`82`
`LEAD_4_CHIFF`, `CHIFF`	`83`
`LEAD_5_CHARANG`, `CHARANG`	`84`
`LEAD_6_VOICE`, `SOLO_VOX`	`85`
`LEAD_7_FIFTHS`, `FIFTHS`	`86`
`LEAD_8_BASS_LEAD`, `BASS_LEAD`	`87`
`PAD_1_NEW_AGE`, `NEW_AGE`	`88`
`PAD_2_WARM`, `WARM_PAD`	`89`
`PAD_3_POLYSYNTH`, `POLYSYNTH`	`90`
`PAD_4_CHOIR`, `SPACE_VOICE`	`91`
`PAD_5_GLASS`, `BOWED_GLASS`	`92`
`PAD_6_METTALIC`, `METALLIC`	`93`
`PAD_7_HALO`	`94`
`PAD_8_SWEEP`	`95`
`FX_1_RAIN`, `ICE_RAIN`	`96`
`FX_2_SOUNDTRACK`	`97`
`FX_3_CRYSTAL`	`98`
`FX_4_ATMOSPHERE`	`99`
`FX_5_BRIGHTNESS`, `BRIGHTNESS`	`100`
`FX_6_GOBLINS`, `GOBLINS`	`101`
`FX_7_ECHOES`, `ECHO_DROPS`	`102`
`FX_8_SCI_FI`, `SCI_FI`	`103`
`SITAR`	`104`
`BANJO`	`105`
`SHAMISEN`	`106`
`KOTO`	`107`
`KALIMBA`	`108`
`BAGPIPE`	`109`
`FIDDLE`	`110`
`SHANNAI`	`111`
`TINKLE_BELL`, `BELL`	`112`
`AGOGO`	`113`
`STEEL_DRUMS`	`114`
`WOODBLOCK`	`115`
`TAIKO_DRUM`, `TAIKO`	`116`
`MELODIC_TOM`, `TOM_TOM`	`117`
`SYNTH_DRUM`	`118`
`REVERSE_CYMBAL`	`119`
`GUITAR_FRET_NOISE`, `FRET_NOISE`	`120`
`BREATH_NOISE`, `BREATHNOISE`, `BREATH`	`121`
`SEASHORE`, `SEA`	`122`
`BIRD_TWEET`, `BIRD`	`123`
`TELEPHONE_RING`, `TELEPHONE`	`124`
`HELICOPTER`	`125`
`APPLAUSE`	`126`
`GUNSHOT`	`127`