Akrata, Pithoprakta / Capriccio For Violin & Orchestra, De Natura Sonoris by Iannis Xenakis on the Nonesuch label:
U.S. Vinyl LP rom 1968 with gatefold cover -
A1: Iannis Xenakis - Akrata : 10:44
A2: Iannis Xenakis - Pithoprakta : 8:40
B1: Krzysztof Penderecki - Capriccio For Violin & Orchestra : 10:12
B2: Krzysztof Penderecki - De Natura Sonoris : 7:25
