After a fair amount of searching, it's stored internally in the file
x:\dd\preferences\F32I.BIN

You could rename that file, but you will lose all of your favorite songs as well, including Favorites and Recently Played.

It's a binary file (not editable with usual tools).


BIAB & RB2025 Win.(Audiophile), Sonar Platinum, Cakewalk by Bandlab, Izotope Prod.Bundle, Roland RD-1000, Synthogy Ivory, Kontakt, Focusrite 18i20, KetronSD2, NS40M Monitors, Pioneer Active Monitors, AKG K271 Studio H'phones