Complex sentence: Herb's band played for most of its time at the Biltmore Hotel's Cinderella Roof Ballroom in Los Angeles, and the band's theme song "Cinderella Blues" came from this venue.
Split into simpler sentences: Herb's band played for most of its time at the Cinderella Roof Ballroom in the Los Angeles Biltmore Hotel. The band's theme song "Cinderella Blues" came from this venue.