Hey, man, the dance is over unless you know somebody else that can play the guitar.
6 seconds sound clip from the Back to the Future movie soundboard.
You can hear this line at 01:24:25 in the Blu-ray version of the movie.
Quote context
[...]
- Hey, man. Look at Marvin's hand.
- He can't play with his hand like that, and we can't play without him.
- Yeah, well. Look, Marvin, you got to play.
- See, that's where they kiss for the first time on the dance floor.
- Hey, man, the dance is over unless you know somebody else that can play the guitar.
- This is for all you lovers out there.
- Earth angel, earth angel, will you be mine?
- George, aren't you going to kiss me?
- Scram, McFly. I'm cutting in.
[...]