The Voice of the Galaxies, June Tyson was the cosmic lead vocalist in Sun Ra's band from '68 until her death. She was also a dancer and helped design costumes for the Arkestra members, as well as played some violin in later years.
I highly recommend the classic low-budget blaxploitation sci-fi flick Space Is The Place. Check out June and the Arkestra in this clip:
And here's a bonus interview with June: