The Simpsons Theme A Capella

This made me smile so I'm passing it on.  Not only are the vocals amazing, the video is fun and entertaining.  Here's what the vocalist, Nick McKaig had to say about the video,

This is my tribute to Matt Groening and my favorite TV show! The recording is 100% vocals and 100% my own voice. In order to perform this song, I actually had to write out the entire orchestration from a recording and perform every part, which ended up being over 30! The violin runs were the most fun to record :)