A composer’s concert by Bogusław Schaeffer, performed by Ensemble MW2 from Krakow, held on 20 September 1981 at the Fryderyk Chopin Academy of Music as part of the 25th Warsaw Autumn International Festival of Contemporary Music.
Programme included: Blues I (1972) for two pianos and tape, Out of Tune II (1980) for soprano, cello, and piano, and Quartet (1966) for four actors.
Ensemble MW2 performed in the following lineup: Adam Kaczyński (piano), Bogusław Schaeffer (piano), Halina Skubis (soprano), Krzysztof Suchodolski (cello), Marek Mietelski (piano), Andrzej Grabowski (actor), Mikołaj Grabowski (actor), Andrzej Kierc (actor), Jan Peszek (actor).
