YouTube Uploaded by jebeq2007 on Feb 18, 2012"This is a Demo of the functions on the FreeBass FB383 (For eBay). Just a short sequence playing with no added effects."via this auction"This Freebass FB383 is a great analog bass synthesizer. It's in mint condition and everything is working perfectly. It includes the power supply and I am also including some extra moog style knobs."