Originals: Random Rules by Silver Jews (covered by Dean & Britta)
Random Rules was released on Silver Jews third album American Water in 1998. Silver Jews were a NYC band that was led by David Berman and featured Stephen Malkmus (of Pavement) and Chris Stroffolino.
Dean & Britta's cover was the penultimate track on their 2003 album L'Avventura
Audio: Dean & Britta - Random Rules
Here's an mp3 of them performing it at The Village Underground in NYC in 2003