Donald Byrd: symphonic compositions?

[chewy-chew-chew-bean-benitez]

so i picked up tryin to get home for only 12 big ones (80s lp reissue) havent played it yet but the liners say, at the very end: db is currently working on a composition for the Detroit Symphony, and also one for a symphony in Switzerland.

HAVE ANY OF YOU EVER HEARD OF THESE PIECES, ARE THEY RECORDED, OR EVEN REMEMEBERED, OR EVEN ACTUALLY COMPLETED???

[Chuck Nessa]

Don't hold your breath.