Marek i Wacek
Marek i Wacek was a musical duo of Polish pianists Marek Tomaszewski and Wacław "Wacek" Kisielewski, that performed from 1963 until Wacek's death on 12 July 1986. Formed in early 1960s, the duo debuted in a TV program on March 8, 1963. Marek and Wacek played the principal roles in the 1966 musical film Tandem.