Jason Segal joined Marketa Irglova and Glen Hansard (of The Swell Season) on stage to perform an original song he wrote. Hilarity and perfection ensue.

[youtube=http://www.youtube.com/watch?v=9bZF6Kx88LM]

Now if only he’ll write and produce a full play of “Dracula’s Lament.” We can dream, can’t we?