<P> Krush were a UK dance music group, who had a crossover hit single with "House Arrest" in 1987 . </P> <P> The group consisted of musicians Mark Gamble (born 28 November 1959), Cassius Campbell (born 13 May 1960) and record producers Mark Brydon (born 22 December 1960) and Robert Gordon (born 10 August 1959). Their second single "Walking on Sunshine" was a club hit in 1992, and peaked at #71 in the UK Singles Chart . Ruth Joy was the featured vocalist . Brydon went on to have continued success with a variety of other projects within house / dance music . The most notable of these was as the producer of The Funky Worm, who had a Top 40 hit in the UK Singles Chart in 1988, with "Hustle (To the Music)". However, Brydon's biggest success came from the mid-1990s onwards with vocalist Róisín Murphy, as the producer of Moloko . Gordon was also well known within Sheffield's music scene, and was the co-producer of Forgemasters' "Track with No Name", one of the seminal tracks of the Yorkshire Bleeps and Bass scene . Gordon was also a co-founder of Warp Records, until leaving the label acrimoniously in 1991 . </P>

Who sang we got this house under arrest