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",
Ian Gillan "Out of my Mind", which was released the following year. This is for the benefit of the music school to be built in Gyumri, Armenia – a project Ian Gillan has been working on with others since his 1990 solo concerts in Yerevan. On the flight back from Armenia in 2011, after each receiving the Armenian Presidential medal of Honour, Gillan and Iommi decided to form the side project WhoCares for ad hoc recordings (and possible performances) dedicated to raising money for specific causes. On 20 September 2013 Ian Gillan participated in the opening of the Octet Music School in