erin-riley-wmmr-history-book - Ireland News Beep | NewsBeep.com

Jerry Garcia of the Grateful Dead and WMMR-FM (93.3) deejay Michael Tearson in the station's Rittenhouse Square studios in 1979. Erin Riley, the former WMMR Music Director who is the author of 'The Might WMMR: An Oral History of Philadelphia's Rock Radio Revolution' will be in conversation with John DeBella at the Parkway Central Library on Tuesday Sept. 15.

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‘The Mighty WMMR’ is a history of the Philly radio station that gave birth to legends and rock stars

September 15, 2026

Listen to article • 0:00 min No Philadelphia rock radio station has a richer, more colorful history than WMMR-FM…