It was on November 9th 1973 that Billy Joel released 'Piano Man'...thus preordaining, more than 20 years in advance, that every karaoke night would include one 5-minute, 36-second period that a drunk sorority girl would belt out an off key version of the song.

Here's Billy's actual version:

And here's the drunken version you hear on your typical karaoke night: (he starts singing at the 3:57 mark)