index.js

let drums = {
  27: "High Q (GM2)",
  28: "Slap (GM2)",
  29: "Scratch Push (GM2)",
  30: "Scratch Pull (GM2)",
  31: "Sticks (GM2)",
  32: "Square Click (GM2)",
  33: "Metronome Click (GM2)",
  34: "Metronome Bell (GM2)",
  35: "Bass Drum 2",
  36: "Bass Drum 1",
  37: "Side Stick",
  38: "Snare Drum 1",
  39: "Hand Clap",
  40: "Snare Drum 2",
  41: "Low Tom 2",
  42: "Closed Hi-hat",
  43: "Low Tom 1",
  44: "Pedal Hi-hat",
  45: "Mid Tom 2",
  46: "Open Hi-hat",
  47: "Mid Tom 1",
  48: "High Tom 2",
  49: "Crash Cymbal 1",
  50: "High Tom 1",
  51: "Ride Cymbal 1",
  52: "Chinese Cymbal",
  53: "Ride Bell",
  54: "Tambourine",
  55: "Splash Cymbal",
  56: "Cowbell",
  57: "Crash Cymbal 2",
  58: "Vibra Slap",
  59: "Ride Cymbal 2",
  60: "High Bongo",
  61: "Low Bongo",
  62: "Mute High Conga",
  63: "Open High Conga",
  64: "Low Conga",
  65: "High Timbale",
  66: "Low Timbale",
  67: "High Agogo",
  68: "Low Agogo",
  69: "Cabasa",
  70: "Maracas",
  71: "Short Whistle",
  72: "Long Whistle",
  73: "Short Guiro",
  74: "Long Guiro",
  75: "Claves",
  76: "High Wood Block",
  77: "Low Wood Block",
  78: "Mute Cuica",
  79: "Open Cuica",
  80: "Mute Triangle",
  81: "Open Triangle",
  82: "Shaker (GM2)",
  83: "Jingle Bell (GM2)",
  84: "Belltree (GM2)",
  85: "Castanets (GM2)",
  86: "Mute Surdo (GM2)",
  87: "Open Surdo (GM2)",
};

let midi = {
  0:{"name":"Acoustic Grand Piano","group":"Piano"},
  1:{"name":"Bright Acoustic Piano","group":"Piano"},
  2:{"name":"Electric Grand Piano","group":"Piano"},
  3:{"name":"Honky-tonk Piano","group":"Piano"},
  4:{"name":"Electric Piano 1","group":"Piano"},
  5:{"name":"Electric Piano 2","group":"Piano"},
  6:{"name":"Harpsichord","group":"Piano"},
  7:{"name":"Clavinet","group":"Piano"},
  8:{"name":"Celesta","group":"Chromatic Percussion"},
  9:{"name":"Glockenspiel","group":"Chromatic Percussion"},
  10:{"name":"Music Box","group":"Chromatic Percussion"},
  11:{"name":"Vibraphone","group":"Chromatic Percussion"},
  12:{"name":"Marimba","group":"Chromatic Percussion"},
  13:{"name":"Xylophone","group":"Chromatic Percussion"},
  14:{"name":"Tubular Bells","group":"Chromatic Percussion"},
  15:{"name":"Dulcimer","group":"Chromatic Percussion"},
  16:{"name":"Drawbar Organ","group":"Organ"},
  17:{"name":"Percussive Organ","group":"Organ"},
  18:{"name":"Rock Organ","group":"Organ"},
  19:{"name":"Church Organ","group":"Organ"},
  20:{"name":"Reed Organ","group":"Organ"},
  21:{"name":"Accordion","group":"Organ"},
  22:{"name":"Harmonica","group":"Organ"},
  23:{"name":"Tango Accordion","group":"Organ"},
  24:{"name":"Acoustic Guitar (nylon)","group":"Guitar"},
  25:{"name":"Acoustic Guitar (steel)","group":"Guitar"},
  26:{"name":"Electric Guitar (jazz)","group":"Guitar"},
  27:{"name":"Electric Guitar (clean)","group":"Guitar"},
  28:{"name":"Electric Guitar (muted)","group":"Guitar"},
  29:{"name":"Overdriven Guitar","group":"Guitar"},
  30:{"name":"Distortion Guitar","group":"Guitar"},
  31:{"name":"Guitar Harmonics","group":"Guitar"},
  32:{"name":"Acoustic Bass","group":"Bass"},
  33:{"name":"Electric Bass (finger)","group":"Bass"},
  34:{"name":"Electric Bass (pick)","group":"Bass"},
  35:{"name":"Fretless Bass","group":"Bass"},
  36:{"name":"Slap Bass 1","group":"Bass"},
  37:{"name":"Slap Bass 2","group":"Bass"},
  38:{"name":"Synth Bass 1","group":"Bass"},
  39:{"name":"Synth Bass 2","group":"Bass"},
  40:{"name":"Violin","group":"Strings"},
  41:{"name":"Viola","group":"Strings"},
  42:{"name":"Cello","group":"Strings"},
  43:{"name":"Contrabass","group":"Strings"},
  44:{"name":"Tremolo Strings","group":"Strings"},
  45:{"name":"Pizzicato Strings","group":"Strings"},
  46:{"name":"Orchestral Harp","group":"Strings"},
  47:{"name":"Timpani","group":"Strings"},
  48:{"name":"String Ensemble 1","group":"Ensemble"},
  49:{"name":"String Ensemble 2","group":"Ensemble"},
  50:{"name":"Synth Strings 1","group":"Ensemble"},
  51:{"name":"Synth Strings 2","group":"Ensemble"},
  52:{"name":"Choir Aahs","group":"Ensemble"},
  53:{"name":"Voice Oohs","group":"Ensemble"},
  54:{"name":"Synth Choir","group":"Ensemble"},
  55:{"name":"Orchestra Hit","group":"Ensemble"},
  56:{"name":"Trumpet","group":"Brass"},
  57:{"name":"Trombone","group":"Brass"},
  58:{"name":"Tuba","group":"Brass"},
  59:{"name":"Muted Trumpet","group":"Brass"},
  60:{"name":"French Horn","group":"Brass"},
  61:{"name":"Brass Section","group":"Brass"},
  62:{"name":"Synth Brass 1","group":"Brass"},
  63:{"name":"Synth Brass 2","group":"Brass"},
  64:{"name":"Soprano Sax","group":"Reed"},
  65:{"name":"Alto Sax","group":"Reed"},
  66:{"name":"Tenor Sax","group":"Reed"},
  67:{"name":"Baritone Sax","group":"Reed"},
  68:{"name":"Oboe","group":"Reed"},
  69:{"name":"English Horn","group":"Reed"},
  70:{"name":"Bassoon","group":"Reed"},
  71:{"name":"Clarinet","group":"Reed"},
  72:{"name":"Piccolo","group":"Pipe"},
  73:{"name":"Flute","group":"Pipe"},
  74:{"name":"Recorder","group":"Pipe"},
  75:{"name":"Pan Flute","group":"Pipe"},
  76:{"name":"Blown bottle","group":"Pipe"},
  77:{"name":"Shakuhachi","group":"Pipe"},
  78:{"name":"Whistle","group":"Pipe"},
  79:{"name":"Ocarina","group":"Pipe"},
  80:{"name":"Lead 1 (square)","group":"Synth Lead"},
  81:{"name":"Lead 2 (sawtooth)","group":"Synth Lead"},
  82:{"name":"Lead 3 (calliope)","group":"Synth Lead"},
  83:{"name":"Lead 4 (chiff)","group":"Synth Lead"},
  84:{"name":"Lead 5 (charang)","group":"Synth Lead"},
  85:{"name":"Lead 6 (voice)","group":"Synth Lead"},
  86:{"name":"Lead 7 (fifths)","group":"Synth Lead"},
  87:{"name":"Lead 8 (bass + lead)","group":"Synth Lead"},
  88:{"name":"Pad 1 (new age)","group":"Synth Pad"},
  89:{"name":"Pad 2 (warm)","group":"Synth Pad"},
  90:{"name":"Pad 3 (polysynth)","group":"Synth Pad"},
  91:{"name":"Pad 4 (choir)","group":"Synth Pad"},
  92:{"name":"Pad 5 (bowed)","group":"Synth Pad"},
  93:{"name":"Pad 6 (metallic)","group":"Synth Pad"},
  94:{"name":"Pad 7 (halo)","group":"Synth Pad"},
  95:{"name":"Pad 8 (sweep)","group":"Synth Pad"},
  96:{"name":"FX 1 (rain)","group":"Synth Effects"},
  97:{"name":"FX 2 (soundtrack)","group":"Synth Effects"},
  98:{"name":"FX 3 (crystal)","group":"Synth Effects"},
  99:{"name":"FX 4 (atmosphere)","group":"Synth Effects"},
  100:{"name":"FX 5 (brightness)","group":"Synth Effects"},
  101:{"name":"FX 6 (goblins)","group":"Synth Effects"},
  102:{"name":"FX 7 (echoes)","group":"Synth Effects"},
  103:{"name":"FX 8 (sci-fi)","group":"Synth Effects"},
  104:{"name":"Sitar","group":"Ethnic"},
  105:{"name":"Banjo","group":"Ethnic"},
  106:{"name":"Shamisen","group":"Ethnic"},
  107:{"name":"Koto","group":"Ethnic"},
  108:{"name":"Kalimba","group":"Ethnic"},
  109:{"name":"Bagpipe","group":"Ethnic"},
  110:{"name":"Fiddle","group":"Ethnic"},
  111:{"name":"Shanai","group":"Ethnic"},
  112:{"name":"Tinkle Bell","group":"Percussive"},
  113:{"name":"Agogo","group":"Percussive"},
  114:{"name":"Steel Drums","group":"Percussive"},
  115:{"name":"Woodblock","group":"Percussive"},
  116:{"name":"Taiko Drum","group":"Percussive"},
  117:{"name":"Melodic Tom","group":"Percussive"},
  118:{"name":"Synth Drum","group":"Percussive"},
  119:{"name":"Reverse Cymbal","group":"Percussive"},
  120:{"name":"Guitar Fret Noise","group":"Sound effects"},
  121:{"name":"Breath Noise","group":"Sound effects"},
  122:{"name":"Seashore","group":"Sound effects"},
  123:{"name":"Bird Tweet","group":"Sound effects"},
  124:{"name":"Telephone Ring","group":"Sound effects"},
  125:{"name":"Helicopter","group":"Sound effects"},
  126:{"name":"Applause","group":"Sound effects"},
  127:{"name":"Gunshot","group":"Sound effects"}
};

module.exports = {
  instrument: function(note) {
  
    let data = midi[note];

    if(data) {
      return data;
    } else {
      return new Error('Bad fucking midi instrument id supplied');
    }

  },
  drum: function(note) {
  
    let data = drums[note];

    if(data) {
      return data;
    } else {
      return new Error('Fucking invalid drum note number supplied');
    }

  }
}