The song--featured on Bird's upcoming album Are You Serious--has the two iconic singers playing the parts of arguing lovers, and its as tongue-in-cheek as it is amazing.
Of the song, and Fiona's presence, Bird said:
"My inclination was to write a song about why I can't write a simple love song. The song began as an internal dialogue. At first it was just my voice. Then another voice came creeping in and I thought 'this should be a duet if I can find the right person.' I needed to find someone really indicting. [Fiona] was totally committed. The session was a long whiskey-fueled night - unhinged, for sure. All worth it, of course. I can't write simple love songs. People are complex."