Fringe Soundtrack 
Episode 6 • And Those We've Left Behind
Too Much Time On My Hands
Walter listens to music while watching Peter & Olivia work on the time problem; Walter decides to join the group.
Raymond watches as his wife Kate works on a mathematical formula; repeats as Raymond returns to his wife and re-sets time.
Ain't Wastin' Time No More
The Allman Brothers Band
Peter tells Olivia he has too many variables in his theory; Walter grabs a sandwich & refuses Olivia's invitation to help her & Peter.
C'mon, there's no such thing as a stupid question. Get the ball rolling and be the first.