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
Gary James Cregan & Co and London blues-rock act Bad Influence. He has performed live on stage with The Ian Gillan Band, Graham Bonnet, Don Airey, Mick Ralphs, Paul Young and made a guest appearance playing drums for UK the prog rock band Breathing Space. In the studio, as well as his extensive back catalogue with Thunder and Magnum, Harry has contributed to work by Don Airey, Russ Ballard, Shadowman (featuring FM's vocalist Steve Overland, Heartland's Steve Morris and Thunder's Chris Childs), Kate Aumonier, Carl Sentance, Bucket & Co and Hellfire Corner. Harry is backed by Pearl, Paiste, Pro-Mark and Protection Racket.