Pianist Samuel Vriezen performs Tom Johnson's work presenting what Johnson describes as a natural phenomenon within a musical scale: progressions in 1 to 5 voices of all possible combinations of notes with each voice being limited to 3 steps, a perfect 4th or a perfect 5th.

Edition Rz's "Parallele" series in a spiral bound catalog and 2 CDs from the 2000 Berliner Festival Neuer Musik with compositions by Francois Donato, Tom Johnson, Christina Kubisch, Alvin Lucier, &c.