The Don Ellis Orchestra charted an original path through the jazz of the late 60s and early 70s, producing some remarkable music for big band.
With an emphasis on electronics, non-conventional time signatures and improvisation, there are more than a few fans who consider his Orchestra to have been one of the most advanced in modern jazz. The 1971 live album Tears of Joy is worth checking out to hear what this band was all about.
Ellis himself died in 1978, cutting short his remarkable career, and his music fell back into relative obscurity in the neo-conservativism of 1980s jazz. Very little film footage of the band seems to have survived: this VHS copy of the Ellis composition “Indian Lady” at a concert at Tanglewood in 1968 is one of the few films of the Don Ellis band on YouTube.