eHow - Computershttp://www.ehow.com/guide_5-http://www.ehow.com/guide_5-computers.html.htmlwww.ehow.comSynths in Reason: Dr. Rex Loop Playerhttp://www.ehow.com/how_4442130_synths-reason-dr-rex-loop.htmlHow to use the Dr. Rex Loop Player in Reason; learn more about recording, mixing and finalizing electronic music in this free instructional video. Published on 7/16/2008