 From 1980 to 1983 he was member of the band "Demikát", and from there until 1986 he was musicology department faculty at Comenius University.In 1986 Andrej wrote the score for the film "Salty Candies".From the University, Andrej became a member of the Army Artistic Ensemble, where he met Richard Müller and became co-leader of the pop band Banket until 1990.