She Caught the Katy
"She Caught the Katy " is a blues standard written by Taj Mahal and James Rachell. The song was first recorded for Taj Mahal's 1968 album The Natch'l Blues, and is one of Mahal's most famous tunes. It has since been covered many times, and is included on the soundtrack for the 1980 movie The Blues Brothers. According to John Belushi's widow, it was Belushi's favorite blues song.
The "Katy" refers to the Missouri–Kansas–Texas Railroad.
