Bob Wills was not the first bandleader to feature electric guitar. That honor would go to reedman Bennie Goodman. He had Charlie Christian thrust upon him by John Hammond. Goodman reluctantly gave him an audition; when it was over, he hired Christian on the spot. Ken Burns recreates the moment Christian split the atom at the 1:06 mark in The Velocity of Celebration on Kanopy. You can stream his music on Hoopla.