Task: Add "NEON WANT" to FAVORITES.DAT, set volume to zero, open FAVORITES.DAT, play "NEON WANT" from there, confirm it is silent, then raise volume and confirm sound returns.
Hint: Save the item first, mute the player, play it from favorites, then restore volume while it is playing.
Reference answer: "NEON WANT" should be silent when played from FAVORITES.DAT at zero volume and audible after volume is raised.