To use, just download the track, and put the artist, track title, and download link (SoundCloud or Newgrounds) in the description of your video. Example:
Wontolla - Dragonstrike
Newgrounds accounts are free and registered users see fewer ads!
Dude, you are way beyond newgrounds with this skill. Take your style to the big leagues, you belong there!
Please contact me if you would like to use this in a project. We can discuss the details.