The soundtrack from the short was performed in the concert series "Bugs Bunny on Broadway".
The humorous use of regular musical notations on a score shows a careful attention to detail by the entire production staff. All of the characters portrayed are actually musical symbols and notes.
This short does not feature any dialogue.
The wire-bending workers construct a treble clef, which sets the scale of the piece. Its counterpart is the bass clef.
The dog is actually a clever use of the symbol for a one quarter rest, or one beat where the instrument is not played.