On a 1942 cover of a song originally by this musician’s band, a solo usually cited as the first R&B sax solo was played by Illinois Jacquet. One of this musician’s smaller bands, which was later controversially joined by Cootie Williams, first recorded the song “Flying Home,” which featured an early jazz electric guitar solo by Charlie Christian. This musician’s future brother-in-law John Hammond recommended that he buy arrangements from (*) Fletcher Henderson for the radio show Let’s Dance. This musician’s concert at the Palomar Ballroom featured Lionel Hampton in one of his many racially-integrated lineups. A 1938 performance by this musician’s band at Carnegie Hall (10[1])featured (10[1])a Gene Krupa solo at the start of the song “Sing, Sing, Sing.” For (-5[1])10 points, name this jazz clarinettist dubbed the “King of Swing.” (10[1])■END■