"Jumper" is a song by the American rock band Third Eye Blind, released on their 1997 self-titled album, and written by vocalist Stephan Jenkins. Released as a single, the song peaked at #5.
In "The Scarlett Getter", Francine Smith goes to Roger's Place for a drink and finds Roger trying to sing "Jumper". When she just stands there listening to him sing, he gets annoyed and stops playing.
Roger: I wish you would step back from that ledge my friend
Francine: You wouldn't... (Roger holds up a finger for silence)
Roger: You could cut ties with all the lies, that you've been living in
And if you do not want to see me again, I would understa-
(Roger sings the last note badly and apologizes)
Roger: I'm sorry
Just a second