This is one 20 minute 16 second dance track but it is not a traditional track.  This is a sequence of loops made to be cut up for a length to fit your project. Royalty Free Use For All Commercial Projects online and offline. You can easily edit and convert mp3 files to wav or aif with a software called audacity for free https://www.audacityteam.org/ There are free versions for linux, Macintosh and all windows 32 or 64 bit versions.It offers the ability to cut, fade in or out and a collection of cool effects for any audio file! Older version of audacity can be found here:http://audacitydownloadguide.com/older-versions/