The Who are an English rock band formed in London in 1964. Their classic lineup consisted of lead vocalist Roger Daltrey, guitarist Pete Townshend, bassist John Entwistle, and drummer Keith Moon. Considered one of the most influential rock bands of the 20th century, their contributions to rock music include the development of the Marshall stack, large public address systems, the use of synthesisers, Entwistle's and Moon's influential playing styles, Townshend's feedback and power chord guitar technique, and the development of the rock opera. They are cited as an influence by many hard rock, punk, power pop and mod bands. They were inducted into the Rock and Roll Hall of Fame in 1990. The Who evolved from an earlier group, the Detours, and established themselves as part of the pop art and mod movements, featuring auto-destructive art by destroying guitars and drums on stage. Their first single as the Who, "I Can't Explain", reached the UK top ten, and was followed by a string of hit singles including "Anyway, Anyhow, Anywhere", "My Generation", "Substitute", "I'm a Boy", "Happy Jack" and "Pictures of Lily".

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