Bogusław Scheffer's TIS MW-2 performed by the Ensemble MW2 from Kraków conducted by the composer. The ensemble performed with: Barbara Niewiadomska (soprano), Barbara Świątek (flute), Krystyna Ungeheur (dance), Adam Kaczyński (piano), Bogusław Kierc (actor), Jerzy Klocek (cello), Marian Lato (alto saxophone), Marek Mietelski (piano), Janusz Peszek (mime).
The piece was performed on 18 September 1966 at the Concert Hall of the State Higher School of Music in Warsaw during the 10th Warsaw Autumn International Festival of Contemporary Music.
