The 1st work for violin and piano; the 2nd for string orchestra with bell; the 3rd work originally for instrumental ensemble, arranged for violoncello ensemble; the 4th work a concerto for 2 violins and string orchestra with prepared piano.
Cover title.
The 2nd and 4th works also issued in holograph reproduction, p. [37]-[105].
With accompanying sound recording (corresponding to ECM 1275, issued in 1984); performance details, p. 203-204.
Introd. by Paul Griffiths and text, in German and English, p.16-33.