TVersity Screeching Music on Xbox 360 Solved

I’ve spent several hours trying to diagnose why only some of my music, streamed to my Xbox 360 via TVersity, sounds something like The 99 Most Essential Classical Pieces For Shattering Your Priceless Crystalline Goblet Collection and Key Human Sense Organs. Despite thorough examination of every measurable detail (codec, bit rate, meta data, file size, ...