BackTraxx 1 Music Library - DVD - Music library, which contains 28 different subject categories of music on 5-DVD. It is more than 1,000 audio files with very high quality sound. Each song has 3 versions with different lengths of sound - full version, 60 and 30 seconds. This gives ample opportunity to voice video presentations, commercials, advertising, screen savers, and radio and television broadcasts. This library of professionally recorded music should be for everyone who takes part in the editing and sound!