With its acoustic guitars and drumless bits, this triumph of hard rock is no more a pure hard rock album than Tommy. … And… it uses the synthesizer to vary the power trio format, not to art things up.
On Who’s Next, the band crossed that line with power and grace. The album spawned the concert classics “Baba O’Riley” and “Won’t Get Fooled Again”; the great Daltrey vocal vehicles “Bargain” and “Song Is Over”; Entwistle’s scorching, anxiety-ridden “My Wife”; and Townshend’s most delicate song on record, “Behind Blue Eyes.” On Who’s Next, Townshend unleashed the power of the synthesizer as a rock & roll instrument, to be used like guitar or bass rather than as a special-effects novelty.
~The New Rolling Stone Album Guide (rollingstone.com)
#9 – Won’t Get Fooled Again: