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MGC

MGC. (Music Generator for Composing). Pronunciation. MGC mmmmGiC Magic. Blame. David Cope and Peter Elsea for this software. MGC. A simple program for testing musical ideas. Introduction.

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MGC

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  1. MGC (Music Generator for Composing)

  2. Pronunciation • MGC • mmmmGiC • Magic

  3. Blame David Cope and Peter Elsea for this software

  4. MGC A simple program for testing musical ideas.

  5. Introduction MGC is a very simple program for allowing quick tests of potential musical material. This program should not substitute for writing your own code to produce good music.

  6. Platforms MGC will run on any platform or operating system for which there exists a Common Lisp (read as all platforms). The program requires only that you possess a Common Lisp (many free versions exist) and have it installed on your computer.

  7. Loading MGC Simply load the MGC file via one of the loading processes available in the particular Common Lisp you have chosen after you boot it and follow the directions herein.

  8. Requirements MGC follows all of the conventions of Common Lisp and users must be at least vaguely familiar with command line input using Lisp. MGC contains many assorted functions. However, the only functions that one absolutely need know are MGC, load-midi-file, and save-midi-file.

  9. Simple example of saving a midi file • (save-midi-file ”dave.mid” ‘((0 60 1000 1 64))) • saves a midi file called dave which contains a single note middle C

  10. Since different platforms and systems have different ways of showing paths, you can get around this by just doing • (save-midi-file "bartok.mid") • and then searching for the file and considering that your default location for saving and loading files.

  11. Output • The same is true for • (load-midi-file “dave.mid”) • Which produces • ((0 60 1000 1 64)) • As long as “dave.mid” is in the same place as you found it when you saved it.

  12. Instruments • The channels default to: • (setf *CHANNEL-NO-1* 74) • (setf *CHANNEL-NO-2* 69) • (setf *CHANNEL-NO-3* 72) • (setf *CHANNEL-NO-4* 71) • (setf *CHANNEL-NO-5* 61) • (setf *CHANNEL-NO-6* 57) • (setf *CHANNEL-NO-7* 58) • (setf *CHANNEL-NO-8* 47) • (setf *CHANNEL-NO-9* 10) • (setf *CHANNEL-NO-10* 1) • (setf *CHANNEL-NO-11* 10) • (setf *CHANNEL-NO-12* 41) • (setf *CHANNEL-NO-13* 41) • (setf *CHANNEL-NO-14* 42) • (setf *CHANNEL-NO-15* 43) • (setf *CHANNEL-NO-16* 44)

  13. Possibilities are: • 1 = ACOUSTIC GRAND PIANO • 2 = BRIGHT ACOUSTIC PIANO • 3 = ELECTRIC GRAND PIANO • 4 = HONKYTONK PIANO • 5 = RHODES PIANO • 6 = CHORUSED PIANO • 7 = HARPSICHORD • 8 = CLAVINET • 9 = CELESTA • 10 = GLOCKENSPIEL • 11 = MUSIC BOX • 12 = VIBRAPHONE • 13 = MARIMBA • 14 = XYLOPHONE • 15 = TUBULAR BELLS • 16 = DULCIMER • 17 = HAMMOND ORGAN • 18 = PERCUSSIVE ORGAN • 19 = ROCK ORGAN • 20 = CHURCH ORGAN

  14. and • 21 = REED ORGAN • 22 = ACCORDIAN • 23 = HARMONICA • 24 = TANGO ACCORDIAN • 25 = ACOUSTIC NYLON GUITAR • 26 = ACOUSTIC STEEL GUITAR • 27 = ELECTRIC JAZZ GUITAR • 28 = ELECTRIC CLEAN GUITAR • 29 = ELECTRIC GUITAR MUTED • 30 = OVERDRIVEN GUITAR • 31 = DISTORTION GUITAR • 32 = GUITAR HARMONICS • 33 = ACOUSTIC FRETLESS BASS • 34 = ELECTRIC BASS FINGERED • 35 = ELECTRIC BASS PICKED • 36 = FRETLESS BASS • 37 = SLAP BASS 1 • 38 = SLAP BASS 2 • 39 = SYNTH BASS 1 • 40 = SYNTH BASS 2

  15. and • 41 = VIOLIN • 42 = VIOLA • 43 = CELLO • 44 = CONTRABASS • 45 = TREMOLO STRINGS • 46 = PIZZICATO STRINGS • 47 = ORCHESTRAL HARP • 48 = TIMPANI • 49 = ACOUSTIC STRING ENSEMBLE • 50 = ACOUSTIC STRING ENSEMBLE 2 • 51 = SYNTH STRINGS 1 • 52 = SYNTH STRINGS 2 • 53 = AH CHOIR • 54 = OOH CHOIR • 55 = SYNTHVOX • 56 = ORCHESTRA HIT • 57 = TRUMPET • 58 = TROMBONE • 59 = TUBA • 60 = MUTED TRUMPET

  16. and • 61 = FRENCH HORN • 62 = BRASS SECTION • 63 = SYNTHBRASS 1 • 64 = SYNTHBRASS 2 • 65 = SOPRANO SAX • 66 = ALTO SAX • 67 = TENOR SAX • 68 = BARITONE SAX • 69 = OBOE • 70 = ENGLISH HORN • 71 = BASSOON • 72 = CLARINET • 73 = PICCOLO • 74 = FLUTE • 75 = RECORDER • 76 = PAN FLUTE • 77 = BOTTLE BLOW • 78 = SHAKUHACHI • 79 = WHISTLE • 80 = OCARINA

  17. and • 81 = SQUARE WAVE • 82 = SAW WAVE • 83 = CALLIOPE • 84 = CHIFFER • 85 = CHARANG • 86 = SOLO VOX • 87 = 5TH SAW WAVE • 88 = BASS AND LEAD • 89 = FANTASY • 90 = WARM • 91 = POLYSYNTH • 92 = CHOIR • 93 = BOWED • 94 = METAL • 95 = HALO • 96 = SWEEP • 97 = ICE RAIN • 98 = SOUND TRACKS • 99 = CRYSTAL • 100 = ATMOSPHERE

  18. and • 101 = BRIGHTNESS • 102 = GOBLINS • 103 = ECHOS • 104 = SPACE • 105 = SITAR • 106 = BANJO • 107 = SHAMISEN • 108 = KOTO • 109 = KALIMBA • 110 = BAGPIPE • 111 = FIDDLE • 112 = SHANNAI • 113 = TINKLE BELL • 114 = AGOGO • 115 = STEEL DRUMS • 116 = WOODBLOCK • 117 = TAIKO DRUM • 118 = MELODIC TOM • 119 = SYNTH DRUM • 120 = REVERSE CYMBAL

  19. and • 121 = GUITAR FRET NOISE • 122 = BREATHNOISE • 123 = SEASHORE • 124 = BIRD TWEET • 125 = TELEPHONE RING • 126 = HELICOPTER • 127 = APPLAUSE • 128 = GUNSHOT • and a few more on channel 10, which for now we’ll leave alone (avoid using it). • ALL OF THIS LATTER INFO IS AT THE BOTTOM OF THE MGC FILE WHICH IS ON THE WEBSITE.

  20. MGC itself • Using MGC will allow you to enter the five parameters of cope events separately and do some other interesting things. I will get to these later on. As for now, the only thing you’ll need for today and this coming week are the two functions just mentioned (primarily “save-midi-file”).

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