We're making an acapellaizer :D
Usage: to use, you must first disable web security in Chrome. On Mac, this is done by typing the following into the terminal:
open -a Google\ Chrome --args --disable-web-security
URL : http://acapellizer.herokuapp.com/
Note that only Taylor Swift's "I Knew You were Trouble" and The Beatles' "Hey Jude" are supported at this time.