Complex sentence: During the summer of 1965 he played regularly at a club co-founded by Dan Gordon, later in the year he played various Orange County coffeehouses and Monday night hootenannies at the famed Los Angeles' Troubadour.
Split into simpler sentences: During the summer of 1965 he played regularly at a club co-founded by Dan Gordon. Later in the year he played various Orange County coffeehouses and the Monday night hootenannies at the famed Los Angeles' Troubadour.