Ian Gillan adding the then-seldom played "Maybe I'm a Leo" (named after Gillan's birth sign) and "When a Blind Man Cries" – the latter becoming a mainstay in the band's setlist ever since. He said that their first album with Morse, "Purpendicular", "was a such important record for Deep Purple that without that [other records] couldn't have been possible." He has remained Purple's lead singer, though the band has found more success touring than with producing records. Gillan pays particular interest to the lyrics in Deep Purple, and considers it his prime composing role within the band. Discussing the importance of lyrics,
David Coverdale to over 200,000 fans on his first trip to the United States at California Jam. In December 1974 "Burn" was followed-up by "Stormbringer", which also ranked at Gold album status in the US and the UK. The funk and soul influences of the previous record were even more prominent here, and this was one of the reasons why guitarist Ritchie Blackmore left the band in June 1975. Rather than disbanding, Coverdale was instrumental in persuading the band to continue with American guitarist Tommy Bolin (of Billy Cobham and The James Gang fame). As Jon Lord put it, "David Coverdale came