Bugs: Of course you know, this means WAR.
Continuity mistake: Throughout the cartoon, Giovanni Jones's hair is blonde, but when he emerges from the rubble at the end of the concert, his hair is now reddish.
Trivia: Before Leopold (Bugs) begins conducting, he takes the conductor's baton and breaks it. Leopold Stokowski never conducted with a baton, so this is the reason why Bugs breaks it.