Trog stomps on the gold coin as it rolls across the floor towards him, preventing it from rolling past him or getting swiped by anyone else. He continues to play, and flashes a toothy grin at the halfling who threw the money at him. "Trog takes requests!" he exclaims, continuing to play. "Anything in particular you'd like to hear?"
Spoiler
Do I need to keep rolling? Or do I just need to roll when I change songs or something...
In case I do, here's another roll, perhaps to speed or spice things up.
Perform (Fiddle): (1d20+8)[10]
Shoulda left the gold alone...