A tough crowd

At lunch today:

G (singing...badly): rollin, rollin...rolling on the river.

Miles: Nein!!

G: You don't want me to sing?

Miles: Nuh uh.

Me: You want me to sing?

Miles: Yeah.

Me:  Bwahahahaha

Miles: Bwahahaha

G: You can just quit that laughing, young man.

all except G: Bwahahaha 

Poor G.