GREAT PERFORMANCES' Respect Yourself: The Stax Records Story details the story behind the legendary label that launched soul music greats -- from Otis Redding and Isaac Hayes to The Staple Singers and Booker T. & the MGs -- on Wednesday, August 1 at 9 p.m. (ET) on PBS (check local listings). For more information visit www.pbs.org/gperf Narrated by Samuel L. Jackson, the PBS broadcast coincides with the 50th anniversary of Stax and the relaunch of the label by Concord Music Group. One of the longest-running performing arts anthologies on television, the award-winning GREAT PERFORMANCES series presents the best in music, dance and theater. The series is a production of Thirteen/WNET New York and funded by the Corporation for Public Broadcasting, the National Endowment for the Arts, public television viewers, and PBS. Major corporate funding is provided by UBS.