Kevin Kiner's Grand Admiral Thrawn theme is included in the Ahsoka original soundtrack album, which you can listen to online ...
Kevin Kiner
In the Star Wars: Ahsoka end credits theme, you'll definitely recognize the title character's signature theme from Clone Wars and Rebels ...
Star Wars Rebels: The Complete Fourth Season Blu-ray includes a fascinating feature behind the scenes of the Kiner family's Star Wars Rebels score.