With the retro look of the new Mustangs, and being 60 years old, the perfect music would be from the '60's. As the new cd changer plays MP3 files, a good place to check out is alt.binaries.sounds.mp3.1960s.
FWIW
John H
On the 'PocoLoco' out of Deale, MD, on the beautiful Chesapeake Bay!
"Divide each difficulty into as many parts as is feasible and necessary to resolve it." Rene Descartes