Conversation so far:
What did Billy Taylor do mid-career?
In 1952 Billy Taylor composed one of his most famous tunes.
What Billy Taylor's most famous 1952 tune?
I Wish I Knew How It Would Feel to Be Free is one of Billy Taylor's most famous tunes.
What made Billy Taylor's I Wish I Knew How It Would Feel to Be Free so famous?
I Wish I Knew How It Would Feel to Be Free achieved more popularity with the civil rights movement of the 1950s and 1960s.
What was Billy Taylor's song I Wish I Knew How It Would Feel to Be Free about?
Did Billy Taylor win any awards mid-career?
In 1964, Billy Taylor established Jazzmobile in New York City and the program received the Peabody Award for Excellence in Broadcasting Programs.
Are there any other interesting aspects about Billy Taylor mid-career?
From 1969 to 1972, Billy Taylor served as music director for The David Frost Show and was the first African American to lead a talk-show band.

Question: Where did he work after that?
Self-contained rewrite: Where did Billy Taylor work after being the music director for The David Frost Show?