Resolving the melody

RONI: No, John, you can't do that. JOHN: Do what?
RONI: You ended your song before you resolved the melody!
RONI: You can't DO that! JOHN: Why NOT? RONI: You just CAN'T!! JOHN: I CAN!! RONI: No, you CAN'T!!! JOHN: Says WHO?!
RONI: Says MUSIC!!!! JOHN: I AM music!!!! CHRISTINA: OK, let's... take a rehearsal break...