“Key to the Highway” becomes the first song elected to the Blues Hall of Fame twice—first by Big Bill Broonzy in 1941 and now by a Broonzy colleague, Jazz Gillum. Broonzy was better known than both Gillum and the first singer to record the song in 1940, Chares Segar, but it was Gillum’s version, cut on May 1, 1940, with Broonzy on guitar, that many preferred with its more down-home, plaintive vocals and harmonica. The record was popular enough to be issued as a single on RCA Victor and Groove after its first release on Bluebird. Composer credits on the oft-covered classic are confusing: Segar was credited on his version, Segar and Broonzy were cited as co-writers on Broonzy’s, and Gillum got sole credit on his. Furthermore, the performing rights organization BMI lists B.B. King, Muddy Waters, John Lee Hooker, Brownie McGhee and Mick Jagger/Keith Richard as composers of their various cover versions.