 It was during this period that Etheridge further developed his interest in jazz and fusion, an important influence at this time being John McLaughlin's debut album, "Extrapolation".Upon returning to the London scene in the early 1970s, Etheridge briefly worked with the Deep Purple offshoot Warhorse, followed by a stint with Icarus during the final stages of recording their album "The Marvel World of Icarus".He recalled