The Beatles played Ed Sullivan Show Feb. 9, 1964 on black and white 13 inch TVs. The revolution began 10 months later when the Rolling Stones appeared on same show, Oct. 25, 64, or Aug. 5, 66 when the Yardbirds arrived in the U.S. with Jimmy Page and Jeff Beck sharing guitar duties. “LIVE SHOW: August 21, 1966 Thrift City on Speedway, Tucson, AZ” Saw it here before Jeff Beck quit in Dallas – “LIVE SHOW: October 29, 1966 Dallas Memorial Auditorium, Dallas, TX” http://www.seastwood.com/Music/beck/yardbirds.asp