Jerry Jeff Walker, with Doug Sahm Selection information (incomplete) has been added as per the review published in the New York Times. Doug Sahm opened the concert. Jerry Jeff Walker was accompanied by additonal (unidentified) musicians, including a clarinetist. Dove, Ian. “Walker Drives on in ‘Freeway’ Style.” New York Times [New York, N.Y., United States], 30 Sept. 1974, p. 54. 1974-09-28T20:00:00