|From the episode:||Murray Christmas|
"There's No Business Like Show Business" is an Irving Berlin song, written for the musical Annie Get Your Gun and orchestrated by Ted Royal.
After Rallo reveals that he is hiding Murray in his closet, Cleveland Brown Jr. comments on having an old man hide in a suitcase back in Quahog in "Murray Christmas". A cutaway gag shifts to Herbert popping out of the suitcase singing "There's No Business Like Show Business".
Herbert: There's no business like show business
Like no business I know