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Episode 4.07 - "My Common Enemy"

Scene: Molly's cheer is contagious.
"Andy Griffith Theme". Album: 'Andy Griffith Show' Soundtrack

Scene: J.D. goes to Elliot's apartment (background music).
"Thank You" by Dido. Album: 'No Angel'

Scene: J.D. and Elliot find their friendship again.
"Move On" by Jet. Album: 'Get Born'