Led Zeppelin drew 56,800 people to Tampa Stadium, breaking the Beatles' record for the largest attendance for a concert at Shea Stadium. Summer Jam in Watkins Glen, New York, broke the Woodstock record with 600,000 fans seeing The Band, The Allman Brothers, and the Grateful Dead. On US television, the concert series ``Midnight Special'' and ``Don Kirshner's Rock Concert'' begin, featuring musical acts who perform live rather than lip-syncing. On radio, The King Biscuit Flour Hour debuts with weekly live concert broadcasts. Singer-songwriter Jim Croce dies in a plane crash in Louisiana.