Inheriting the folks custom on the protest track, rock music has long been associated with political activism, and also alterations in social attitudes to race, intercourse, and drug use, and is usually seen being an expression of youth revolt from adult consumerism and conformity. At the same time, it's been commercially remarkably prosperous, res

given that the music slips from peaceful, mournful passages into an uplifting chorus. As a result, it’s vividly illustrates the light-and-shade dynamic that could characterize much of Zeppelin’s very best work.When upon a time a very while ago (I feel it was 1971) I bought the album with “Stairway to heaven” as the final track on aspect 1 (