Question: Brenno Ambrosini has lauded the work of which former Soviet composer and pianist?
Sentence (from "Brenno Ambrosini"): He has championed the piano music of Soviet contemporary composers such as Arvo Pärt, Sofia Gubaidulina, Boris Tishchenko and Alfred Schnittke, and has kept a close artistic relationship with local composers such as Francisco Llácer Pla.
Relevant evidence: Yes