Govert Jurriaanse (flute), Arthur Moore (trombone), Teresia Tieu (harp), Jaring Walta (violin), Harro Ruijsenaars (cello), and four channels of tape sound. Recorded in Amsterdam, Holland in 1974.

Recorded in USA, 1974.

Ton Hartsüiker (piano and leader), Govert Jurriaanse (flute), John Floore (trumpet), Harry Sparnaay (bass clarinet), Jaring Walta and Roelof van Driesten (violins), Gerrit Oldeman (viola), Harro Ruijsenaars (cello). Recorded in Amsterdam, Holland in 1974.