Is Sun Ra a musician? Indeed, but he left the planet back in 1993, destination unknown. Sonny is a common enough name; prior to becoming Sun Ra he was known as Herman Sonny Blount, and always Sonny to his friends and members of his Arkestra. His registered name was Le Sony'R Ra: Some call me Mr Ra, others call Mr E - you can all me Mr Mystery!
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But if really I were king of the universe, I would first set up a jam session with Son House and Sun Ra.
Here's the next best thing - Sun Ra and Don Cherry (another of my Angelic heroes):