Colosseum THEN and NOW - The Kettle (1969) Colosseum are a British progressive jazz-rock band formed in 1968 in England. They are widely regarded as one of the first groups to successfully fuse rock, jazz, blues, and classical influences into a powerful, improvisation-driven style. The band was founded by drummer Jon Hiseman and saxophonist Dick Heckstall-Smith, both already respected figures on the UK jazz and blues scene. Colosseum THEN (1968–1971) The classic Colosseum era began in 1968 and l