Grossmann was born in Prague. After his graduation, he started at the technical university ČVUT, but left in 1962 when he met Miloslav Šimek in the Olympik bar. Grossmann performed with Dixie Party Band in the Olympik bar, playing on contrabass also.
Grossmann was born in Prague. After his graduation, he began at the technical university ČVUT, but left in 1962 when he met Miloslav Šimek at the Olympik bar. Grossmann performed with Dixie Party Band at the Olympik bar, playing on contrabass as well.