Blast this and the rest of the gig by the legend Stevie Ray Vaughan.
Stevie Ray Vaughan - So Excited (from Live at the El Mocambo)
https://www.youtube.com/watch?v=n6tU2G_Av7o
Stevie Ray Vaughan - Texas Flood (from Live at the El Mocambo)
https://www.youtube.com/watch?v=KC5H9P4F5Uk