According to William Cohan's new Goldman book, Money and Power, Blankfein is known to "sing sitcom theme songs from the 1970s." You get in a lift together today, you hum a few bars and let it hang there, in the air. Then, with a twinkle in his eye, LB picks up where you left off. You'll be the next Gary Cohn before the doors open.
For those who need a refresher on the tune, listen to this 'til you've got it down cold.