Saw microtonal music mentioned earlier in the thread:
"I composed the Twelve Microtonal Etudes for Electronic Music Media in 1979 and 1980 as illustrations of a research project funded by the National Endowment for the Humanities in conjunction with Webster College, St. Louis. The project was to explore the tonal and modal behavior of all the equal tunings of 13 through 24 notes (to the octave), devise a notation for each tuning, and write a composition in each tuning to illustrate good chord progressions and the practical application of the notation."
00:00 Fanfare in 19-Note Equal Tuning, Op. 28a
02:31 12 Microtonal Etudes for Electronic Music Media, Op. 28: Andantino
06:24 12 Microtonal Etudes for Electronic Music Media, Op. 28: Allegro volando
09:03 12 Microtonal Etudes for Electronic Music Media, Op. 28: Suite in four movements
13:57 12 Microtonal Etudes for Electronic Music Media, Op. 28: Allegro moderato
17:20 12 Microtonal Etudes for Electronic Music Media, Op. 28: Sostenuto
20:38 12 Microtonal Etudes for Electronic Music Media, Op. 28: Lento
24:20 12 Microtonal Etudes for Electronic Music Media, Op. 28: Con moto
27:18 12 Microtonal Etudes for Electronic Music Media, Op. 28: Andante ma non troppo
32:00 12 Microtonal Etudes for Electronic Music Media, Op. 28: Moderato
35:08 12 Microtonal Etudes for Electronic Music Media, Op. 28: Allegramente
37:58 12 Microtonal Etudes for Electronic Music Media, Op. 28: Comodo
41:59 12 Microtonal Etudes for Electronic Music Media, Op. 28: Allegro moderato
46:14 Suite for Guitar in 15-Note Equal Tuning, Op. 33: I. Prelude
49:06 Suite for Guitar in 15-Note Equal Tuning, Op. 33: II. Sarabande
51:55 Suite for Guitar in 15-Note Equal Tuning, Op. 33: III. Gavotte (Tempo di gavotta)
53:01 Suite for Guitar in 15-Note Equal Tuning, Op. 33: IV. Gigue
Easley Blackwood's Twelve Microtonal Etudes for Electronic Music Media, a landmark exploration that drew widespread critical praise upon its release in 1980
www.cedillerecords.org