Dave Matthews Band.....Half-Wit...House

What song is this from Dave Matthews Band......Where You when your Luck Runs Out......Where you go when your down.....Where you go when you feel like crying....Where you go when your down....Wont come inside with me...You could come inside with me....dont you see its gonna rain....This song is on an episode of House in which Dave Matthews appears....Its about 26 minutes in to the episode. The episode is entitled Half-Wit from Season 3....If you know it please let me know....Thank You

That's "Rainy Day Lament" by Joe Purdy.