"Led Zeppelin left behind a body of music that defined the term 'progressive rock', but in the truest sense of the word": The case for Led Zeppelin, uncrowned kings of prog rock
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"Led Zeppelin left behind a body of music that defined the term 'progressive rock', but in the truest sense of the word": The case for Led Zeppelin, uncrowned kings of prog rock

A blues band? A hard rock band? Think again