This looks like an SNL parody, but this really is straight-faced video from Microsoft Research for Songsmith. As a former usability specialist, I shook my head in disbelief at the line, "Microsoft, huh? So it's pretty easy to use?" As a former intellectual property paralegal, I was surprised that their legal department let this out with a © where a ™ should be, even if it's for a fictional product.
The gist of it: you sing into your computer's microphone, and the
software creates backing music with customized effects, all of which
sound like the console organs that used to be demonstrated and sold in
malls. To get a sense of the results, someone ran David Lee Roth's
vocal track for "Runnin' With the Devil" through the program.