Originally Posted by: FirebirdNickTrouble is, I can't seem to find out who or what is "Worldwide Harmonics"?

Worldwide Harmonics appears to be a provider of backing track content. That could mean an individual or company of studio artist(s).

http://coloradodc.lib.overdrive.com/AAF709D8-446E-4DCE-B540-2B5FC94A95C4/10/50/en/SearchResults.htm?SearchID=23278942s&SortBy=CollDate

https://www.youtube.com/playlist?list=PLVVk2nQ5iO887UzqDhdNnFX6-nqChsAze