Mezzanine is the third studio album by English trip hop group Massive Attack, released on 20 April 1998 by Virgin Records. It was the first album to be produced by Neil Davidge, along with the group. Mezzanine topped the charts in the United Kingdom, Australia, Ireland and New Zealand, becoming the band's most commercially successful album to date. It saw the band expanding their trip hop sound to electronica stylings, with diverse influences from rock, hip hop and dub genres. Massive Attack are an English trip hop group formed in 1988 in Bristol. Their debut album Blue Lines was released in 1991.