 From 1985 until 1993, he led the Czech synth-pop group Oceán, after which he founded the synth-pop group Shalom (1992–1996).Both these ensembles were heavily influenced by the English synth-pop duo Erasure, a band whose UK tour Oceán had supported between 1989 and 1990.In 2004, Muk released a tribute EP to his idols.