 During the band 's recording sabbatical from 1975 to 1978 , Moon gained a considerable amount of weight . Entwistle has said that Moon and the Who reached their live peak in 1975 – 76 . At the end of the 1976 US tour in Miami that August , the drummer , delirious , was treated in Hollywood Memorial Hospital for eight days . The group was concerned that he would be unable to complete the last leg of the tour , which ended at Maple Leaf Gardens in Toronto on 21 October ( Moon 's last public show ) . By the time of the Who 's invitation @-@ only show at the Kilburn Gaumont in December 1977 for The Kids are Alright , Moon was visibly overweight and had difficulty sustaining a solid performance . After recording Who Are You , Townshend refused to follow the album with a tour until Moon stopped drinking , and said that if Moon 's playing did not improve he would be fired . Daltrey later denied threatening to fire him , but said that by this time the drummer was out of control . 
