I have tried to use Soundcloud for a game, that was not to be used in a public setting, ie no streaming of any sort, just me and my players would hear the audio tracks. I actually own the cd's that the audio tracks come from so if I was at an actual table top it would not be any form of an issue for me to use the tracks. But to use them in roll20 as it is, I have to go though Soundcloud to bring the track in, So I uploaded it there, to find that for me to be able to use the track in my game I have to then also make the track public. But if I do that I would then brake copyright, I don't intend to share the tracks to the public, I just want to use it in my own game. This leaves me doing something like uploading the track to Soundcloud but not sharing it until I am about to run the game. and then turning off the share as soon as the game is done, and hope I am not flagged for copyright infringement in that time. Battlebards would be a much better way to go, though they don't have the large selection of public audio available, they have a excellent selection music, and combat, spell FX, as well as NPC sound bits. They also allow you to upload your own tacks for your use. As you would have to log into there service you don't have to worry about over sharing a track where it would then bump into copyrights. And then adding in the ability to mix your own tracks using any of the tracks you have available... Well that's a win all the way around.