This is the episode in which the character Reverend Jim Ignatowski makes his first appearance.
Danny DeVito really does play the violin during the wedding ceremony. He has also played violin in the films, Goin' South (1978) and Other People's Money (1991).
Louie De Palma plays the violin in one scene. A photo taken during rehearsals ran in a tabloid magazine along with a story describing how Danny DeVito is "giving up" acting to play violin. DeVito's relatives called him out of concern believing the story was true.
The only episode in which two series regulars who respectively left the series early and became a late addition to the cast, Randall Carver and Christopher Lloyd, both appear.