Here are some tips for the music player, I do not know if these will work on the newer firmware.
Used firmware
V 4.0632.0.38
13-10-2006
RM-92
Nokia N80 (12)
In the Music Player, press 5 to pause/play,
press 8 to stop,
press 4 to go back one track,
press 6 to go forward....
Hope that helps!😊