Jessica Ross and Her Amazing Mondegreen Circus
http://www.mcs.net/~bingo/lyrics.html
A site devoted to misunderstood lyrics from all genres. The line, "Sing us a song yellow pian man," is a misunderstood line from Billy Joel's "Piano Man" that goes "Sing us a song, you're the piano man." Contains hundreds of lyrics as well as information on how to submit your own.