Who Do We Think We AreDeep Purple: Ian Gillan (vocals); Ritchie Blackmore (guitar); Jon Lord (keyboards); Roger Glover (bass); Ian Paice (drums). All tracks have been digitally remastered. After establishing itself as a hard rock giant, thanks to endless touring and the release of such milestone records as MACHINE HEAD and IN ROCK, Deep Purple was in a state of turmoil when it went into the studio to record 1972's WHO DO WE THINK WE ARE? Despite all the infighting, the