<prompt> Bhala ukuqhubeka kwalesi sigaba - Lapho iWarsaw Pact ihlasela  <response>: I-Czechoslovakia ngo-20 Agasti 1968, izifundo zikaHammer e-Academy zanqanyulwa. UHammer waqopha i-albhamu ephilayo ye-jazz trio e- The Domicile eMunich ngo-Agasti 30, 1968. Lokhu kwakhishwa njengeMaliny Maliny yi-label yaseJalimane i-MPS Records. UHammer wanquma ukuthuthela e-United States futhi wanquma ukuba yisakhamuzi ngemuva kokuthola umfundaze eBerklee School of Music eBoston. 