Ian Gillan July. As the band had only been rehearsing for a few weeks, they relied on older instrumentals such as "Wring That Neck" and "Mandrake Root" to fill in a set. Unsure of what to do, Gillan found a pair of congas onstage, and decided to play them during these instrumental sections. Deep Purple Mk.II continued rehearsing at Hanwell Community Centre. One of Gillan's first contributions to the band during these rehearsals was the vocal melody and lyrics to "Child in Time". At Hanwell, the band wrote what would eventually become most of "In Rock" during 1969, though were interrupted in
Deep Purple periods between 1968 and 1969 with the line-up including Rod Evans (lead vocals) and Nick Simper (bass, backing vocals), between 1974 and 1976 with the line-up including David Coverdale (lead vocals) and Glenn Hughes (bass, vocals) (and Tommy Bolin replacing Blackmore in 1975), and between 1989 and 1992 with the line-up including Joe Lynn Turner (vocals). The band's line-up (currently including Ian Gillan, and guitarist Steve Morse from 1994) has been much more stable in recent years, although keyboardist Jon Lord's retirement from the band in 2002 (being succeeded by Don Airey) left Ian Paice as the only original Deep