One of the writers on another website I frequent is doing a 12 hour Singstar marathon for charity, if he raises enough money he'll sing for 24 hours straight!

You can watch the live feed here 

http://www.nowlive.com/comboplayer/NewComboPlayer.aspx?id=55116&agree=true 

and you can donate here!

 http://waystogive.texaschildrens.org/NetCommunity/Page.aspx?pid=210&srcid=211&frsid=840