Ratdog, also known as Bob Weir & Ratdog, is an American rock band. The group began as a side project for Grateful Dead rhythm guitarist Bob Weir and bassist Rob Wasserman that toured for seven years under names such as Weir/Wasserman and Scaring the Children. After adding Jay Lane on drums and Matthew Kelly on guitar and harmonica, they played their first show as a full band on April 22, 1995. They were originally billed as Friends of Montezuma and then as Ratdog Revue. They played their first show as Ratdog on August 8, 1995.

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