King Crimson were an English progressive rock band from London. Formed in November 1968 (officially January 1969), the group originally included bassist and vocalist Greg Lake, guitarist and later keyboardist Robert Fripp, keyboardist and woodwind musician Ian McDonald, lyricist Peter Sinfield, and drummer Michael Giles. After a number of personnel changes, the group disbanded in 1974 but have since reformed on a number of occasions. As of the latest lineup change in 2020, King Crimson consisted of Fripp (the sole constant member of the band), saxophonist and flautist Mel Collins (who first joined in 1970), bassist Tony Levin (who first joined in 1981), drummers Pat Mastelotto (who first joined in 1994) and Gavin Harrison (since 2007), guitarist and vocalist Jakko Jakszyk (since 2013), and drummer and keyboardist Jeremy Stacey (since 2016).