Ian Gillan band, who had not had any holiday since their initial rehearsals at Hanwell. He started drinking, and relationships between him and the rest of the band became strained, particularly with Blackmore. On 6 November 1971, he collapsed with hepatitis while waiting to board a plane in Chicago, cancelling the remainder of a US tour. By December 1972, having recorded "Machine Head", "Made in Japan" and the yet to be released "Who Do We Think We Are" with Deep Purple, Gillan finally decided the workload had driven him to exhaustion. Unlike some band members, he was unhappy about "Made in Japan",
Graham Bonnet release in September 2001. At the back end of 2001, Bonnet went on a solo UK tour. His band included keyboard player Don Airey, bassist Chris Childs and drummer Harry James of Thunder and guitarist Dario Mollo. In early 2004 Bonnet joined Italian guitarist Dario Mollo's new project Elektric Zoo, touring Europe during April. Maintaining the Italian connection, the singer also participated in Matteo Filippini's project, Moonstone, featuring on the track "Not Dead Yet". In 2006 Bonnet contributed vocals to the "Welcome to America" album by Taz Taylor Band. The band toured the UK in 2007 and Europe in 2008.