Astrodome, Houston, TX
March 5, 1972David broke the attendance records at this venue. He sold out the Houston Astrodome TWICE in one day with 56,000 people in one show!
David Cassidy, well into his run as a teen heartthrob on TV's "The Partridge Family," closed out the 1972 Houston Livestock Show and Rodeo with two performances. The 33,620 who attended the afternoon show set a rodeo record for the largest attendance ever for a closing day matinee. The 23,108 who showed up for the evening closer also set an attendance record.
If David Cassidy isn’t an Icon of music then I don’t know who is ! 
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