"The Producers" used various gunshot, explosion and whip sound effects in "Springtime For Hitler".
"Hairspray" had a series of cartoonish effects that played when Wilbur closed down the Hardy-Har hut.
There was a bit in "High Society" where you could hear a tennis game that ended with a howling cat.
"Miss Saigon" used a goofy helicopter sound effect in its opening.
"I have got to have some professional music!" - Big Edie