This week Jason Segel and Paul Rudd did a Q&A at a Chicago screening of I Love You, Man, and Paul held the mic while Jason performed "Dracula's Lament" from Forgetting Sarah Marshall: [videoembed size="full_width" alignment="center"][/videoembed] This is a comedy movie nerd's dream (or one of them), but there are too many angles of this event available on YouTube. There ...