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,
Deep Purple Hall is a gaping hole which must now be filled", adding that along with fellow inductees Led Zeppelin and Black Sabbath, the band make up "the Holy Trinity of hard rock and metal bands." The band was officially inducted on 8 April 2016. The Hall of Fame announced that the following members were included as inductees: Ian Paice, Jon Lord, Ritchie Blackmore, Roger Glover, Ian Gillan, Rod Evans, David Coverdale and Glenn Hughes. Excluded from induction were Nick Simper, Tommy Bolin, Joe Lynn Turner, Joe Satriani, Steve Morse and Don Airey. Prior to the induction ceremony, Ian Gillan announced that