the bonzo dog doo-dah band was officially formed on 25 september 1962, at 164a rosendale road, west dulwich, when vivian stanshall (lead vocals, tuba and other wind instruments) and fellow art student rodney slater (saxophone/clarinet) bonded over the late-night transatlantic broadcast of a boxing match between floyd patterson and sonny liston, after being introduced by slater's flatmate tom parkinson. at the time, slater was already playing in a traditional jazz band at college with parkinson on sousaphone, and chris jennings on trombone. trumpeter roger ('happy' wally) wilkes and banjo-player trevor brown were the founders of this loose conglomerate at the royal college of art, although the lineup is thought to have been exceptionally fluid and constantly revolving, consisting of as many as forty to fifty rotating members if stanshall's later recollections are to be believed.