Two weeks after the original Woodstock festival, some of the same bands performed at the Texas International Pop Festival  near the newly opened Texas Motor Speedway outside of Dallas.  Around 100,000 turned out in the Texas heat August 30 & 31 for a lineup that included Led Zeppelin, Santana, Janis Joplin, Canned Heat, Johnny Winter, Sly and the Family Stone, Chicago Transit Authority, Grand Funk Railroad, Ten Years After, BB King, Freddie King, Delaney & Bonnie and Spirit.