Trivia: There is no "That's all, Folks!" title card after the fade out. Just "The End" with white letters on a black background.
Trivia: This was the first time in which director Isadore Freleng was credited as "Friz" Freleng in a Warner Brothers cartoon.
Trivia: Look at the flag on the tail of the bizarre animal which the animator re-draws Daffy as - it reads "screwball."
Trivia: At the start of the cartoon, we see animals changing seats in the theatre. This is re-used footage from a 1937 Warner Brothers cartoon, "She Was An Acrobat's Daughter."
Trivia: When Daffy Duck slides down the banister when Mr Meek is chasing him, he turns the statue at the bottom of the banister so that its spear will hit Mr Meek. When he does this, you can briefly see that the shield the statue is holding has the words "Buy Bonds" on it.
Trivia: The final complete "Wallace and Gromit" film to feature original voice actor Peter Sallis before his retirement. He voiced the character in only one other project after - an educational mini-series that featured the character in short vignettes introducing segments about unique inventions.
Trivia: The opening theme for this cartoon was also used in "Zip 'N Snort."
Trivia: The first short film to bill Laurel and Hardy as an official team.
Trivia: Laurel and Hardy's first talkie.
Trivia: When Claude Cat flies up above the elevated train tracks, there is a sign in the background saying "Don Foster for Mayor." Foster was an artist who designed many of the lobby cards for Warner Brothers.
Trivia: When we see Bugs telling the other cowboys about the acts for the vaudeville show, you can see behind him there is a poster for an act entitled "Frizby the Magician." This is a reference to the Warner Brothers director Friz Freleng.
Trivia: The first Tom and Jerry cartoon in which the characters are named.
Trivia: In the cartoon's opening title credits, there is no "Layout" next to Robert Gribbroek's name, which makes him appear to be an animator.
Trivia: When Elmer finds himself in the year 2000, he picks up a newspaper with a headline saying "Smellevision replaces Television!" Underneath this there is a caption saying "Carl Stalling sez, "It will never work!" Carl Stalling was the music composer and arranger for the Looney Tunes and Merrie Melodies shorts produced by Warner Brothers.
Trivia: Chuck Jones and Bob Clampett can be seen in the crowd rushing out from the studio during the lunch break.
Trivia: When Ralph is raiding the fridge, you can see a bottle of "Pierce's Beer" behind him. This is a reference is the cartoon's story writer, Tedd Pierce.
Trivia: "The Music Box" won the first Academy Award for Live Action Short Film in 1932. It was also the only Laurel and Hardy film to be honoured with an Oscar.