Procol Harum are an English progressive rock band from Southend-on-Sea. Formed in April 1967, the group originally consisted of vocalist and pianist Gary Brooker, guitarist Ray Royer, bassist David Knights, keyboardist Matthew Fisher, drummer Bobby Harrison and lyricist Keith Reid. The band went through a number of lineup changes over the next ten years, before disbanding in 1977. They reformed in 1991 and have remained active to date. Procol Harum's current lineup includes Brooker (the only constant member), guitarist Geoff Whitehorn (since 1991), bassist Matt Pegg (since 1993), keyboardist Josh Phillips (in 1993, and since 2004) and drummer Geoff Dunn (since 2006).Also Richard Brown was their first guitar player.