“We did the whole thing in about four takes because we had to. The police were banging on the door. We knew it was the police, but we had such a good sound in this hall. We were waking up all the neighbours for about five miles in Montreux, because it was echo-ing through the mountains. I was just getting the last part of the riff down, we'd just finished it, when the police burst in and said 'you've got to stop'. We had the track down." Continuing to progress the musical direction of the previous two albums, Machine Head was released in late March 1972 and became one of the band's most famous releases. It was the band's second No. 1 album in the UK while re-establishing them in North America, hitting No. 7 in the US and No. 1 in Canada. It included tracks that became live classics, such as "Highway Star", "Space Truckin'", "Lazy" and "Smoke on the Water", the last of which remains Deep Purple's most famous song. They continued to tour and record at a rate that would be rare thirty years on; when Machine Head was recorded, the group had only been together three-and-a-half years, yet it was their sixth studio album and seventh album overall. In January 1972 the band returned to tour the US once again, then headed over to play Europe before resuming US dates in March. While in America Blackmore contracted hepatitis, and the band attempted one show in Flint, Michigan, without a guitarist before attempting to acquire the services of Al Kooper, who rehearsed with the band before bowing out, suggesting Spirit guitarist Randy California instead. California played one show with the group, in Quebec City, Quebec on 6 April, but the rest of this tour was cancelled as well. The band returned to the US in late May 1972 to undertake their third North America tour (of four total that year). A Japan tour in August of that year led to a double live album, Made in Japan. Originally intended as a Japan-only release, its worldwide release became an instant hit, reaching platinum status in five countries, including the US. It remains one of rock music's most popular and highest selling live albums. Mark II continued to work and released the album Who Do We Think We Are in 1973. Spawning the hit single "Woman from Tokyo", the