He is a performer of contemporary music and can be heard playing an arrangement of the University Challenge TV quiz programme intro and outro theme. He has also performed on many of Peter Greenaway's films including "The Draughtsman's Contract" and "The Cook, the Thief, His Wife & Her Lover". Several short animated films by Phil Mulloy use his music. He founded and leads the Balanescu Quartet and is a founding member of the Michael Nyman Band, performing on most of their albums, except between 1994 and 1998, as well as other ensembles playing Michael Nyman's music. He left the band during the recording of "Facing Goya", and his concertmaster seat was assumed by Gabrielle Lester. Balanescu has lived in London for over 40 years and is married to the viola player Katie Wilkinson. Solo:  Group:  Featured: