I've been unable to see if this suggestion has been already made.
Here is the thing:
I have, for instance, the sound "Hit 1 by Kwaze Kwaze" in my Roll20 Jukebox. The intent of this sound is to sound like "a hit", but when I play it in the Jukebox it quickly repeats itself, sounding rather like a sort of techno-drumming.
Sounds like these repeats themselves so quickly that it's relatively hard to achieve a single instance of them by means of the Stop button in the Jukebox.
What I'm suggesting is to make the current Roll20's Jukebox automatic repetition of music tracks and sounds just optional .
In other words, it would be good to be able to push the assigned sound button for playing it just once, without automatically repeating itself.
This is good for sword hits and clanks, single pistol shots, death cries, shattering crystals, sounds of fast-drawing swords, arrow shots, a "liquid" sound for brewing potions, for the magic lab experiments, a spell effect . . . whatever.
This suggestion could be implemented with two buttons: the current button would play the sound/music track repeatedly ; a second button right there, at its side, could make it to sound just once.
