So Dumb (Homer's Lament) is a track off of Dan Castellaneta's second album "I Am Not Homer". It is the only track on the album that actually has anything to do with The Simpsons. It features a majority of the major characters that Castellaneta plays on the show including Homer, Grampa, Barney, Groundskeeper Willie and Krusty. The song was written by Castellaneta.