PlayTune

This function plays musical tunes. Write your own musical tune and call the function to play it.

This function plays musical tunes. Write your own musical tune and call the function to play it.
Notation:
[CDEFGAB] keys, 5 full octaves
[12345678] key/rest duration, with the default [1] semiquaver, [2] quaver, [4] crochet and [8] minim
[#] sharp / [b] flat / [.] rest / [^] raise octave / [_] lower octave

The algorithm is based on the Karplus-Strong string synthesis methods:
[1] Karplus & Strong, "Digital synthesis of plucked string and drum timbres", Computer Music Journal, vol. 7, no. 2, pp. 43-55, 1983.
[2] Jaffe & Smith, "Extensions of the Karplus-Strong plucked-string algorithm", Computer Music Journal, vol. 7, no. 2, pp. 56-69, 1983.

The musical scores for Canon in D (Pachelbel), Prelude No 1 (Bach), and The Globe Trotter are also provided.

Essential files: playtune.m
Accompanying files: canon_in_d.m, prelude_no_1.m, the_globe_trotter.m