rdings) of a song would require the use of a code. One song may have many recordings associated with it. For example: the same song may have a mix for the CD release, a shortened version for radio play, a remix version, an unplugged version, an a-cappella version, an instrumental version, etc.. Each version of the song will require its own unique code so that the sales, radio play and usage can be tracked individually.</p>
<p>A simple way to look at this is to ask one simple question, Is this being rel