David Stephen Koz (born March 27, 1963)[1][2] is an American saxophonist, composer, record producer, and radio personality based in California.

Dave Koz was born in Encino, California, to Jewish parents: Norman, a dermatologist and Audrey, a pharmacist.

He also played in the house band of CBS' short-lived The Pat Sajak Show, with Tom Scott as bandleader.

After his GH appearance, executive producer Wendy Riche commissioned Koz to write a new theme song for the soap.

Koz took elements from the show's existing theme song, Jack Urbont's "Autumn Breeze", and merged the chorus notes into a brand new smooth jazz composition titled "Faces of the Heart".

Koz is the host of a weekly half-hour television series named Frequency put on by Fast Focus.

[8] Koz interviews musicians on the show such as Earth, Wind & Fire, Jonathan Butler, and Kelly Sweet.

[14] In October 2010, Koz performed "Start All Over Again" in a Desperate Housewives season 7 episode "Let Me Entertain You", alongside singer Dana Glover.

[16][17] In 2018, Koz collaborated with guitarist and regular Vulfpeck contributor, Cory Wong, on two tracks, "The Optimist" and "Friends at Sea".