From mid-1970 to early 1974, The Who undertook an amazing and peculiar journey in which they struggled to follow up Tommy with a yet bigger and better rock opera. One of those projects, Lifehouse, was never completed, though many of its songs formed the bulk of the classic 1971 album Who's Next. The other, Quadrophenia, was as down-to-earth as the multimedia Lifehouse was futuristic; issued as a double album in 1973, it eventually became esteemed...