One of the musicians in Krusty the Clown's list of performers near the end of the episode is Richard Sakai. Sakai has been one of The Simpsons producers since the beginning of the series. He is shown playing a xylophone.
The last time a male Simpson stole a female Simpson's creative ambition occurred in Mom and Pop Art. Both are questioned with role-switched analogies.
Cultural references
The title of the episode is a reference to Josie and the Pussycats, a fictional cartoon rock band.
The White Stripes sequence is identical in style to their music video for "The Hardest Button to Button". The two are also wearing the same outfits they were in the video. The guitar Jack is playing in the episode is his famous JB Hutto Montgomery Airline.
Other songs heard include "Little Green Bag" by George Baker Selection, "Take Five", by Dave Brubeck and "Killer Joe", by Benny Golson.