Lisa Gets the Blues/References

Cultural references

 * The title is a reference to the film .
 * The title screen references The Flintstones.
 * Offscreen, Homer bets with Bart on the and loses, he writes "I will not bet with Bart on the final four" on the blackboard.
 * Skinner shows Lisa pictures of, Shaun White and Albert Einstein.
 * The scene where Bart gets dressed as Little Orphan Annie and sings "" is a reference to the musical .
 * Bart's getting his eyes whited out is a reference to the comic strip .
 * The song playing while the family leaves for Gainesville is 's "Gainesville", performed by Linda Ronstadt.
 * The pilot of the plane calls the co-pilot.
 * When Homer chants "Hey, hey, TWA, how many flights did you cancel today" he is parodying the then-common anti- chant, "Hey, hey,, how many kids did you kill today."
 * In New Orleans, Homer and Lisa go to the Cafe Beau Beurre, Pat O'Brien's,, Superdome, Bevi Seafood Co, Jamila's Cafe, Emeril's New Orleans, Bon Ton Cafe, Johnny's Po-Boy Restaurant and Gene's Po-Boy, Crabby Jack's, Tracey's, Cochon, DiMartino's, Parasol's, Jacques Imo's Cafe, Mulate's, Mahony's Po-Boy, Frankie & Johnny's, Cajun Seafood, Parkway Bakery & Tavern, K-Paul's Louisiana Kitchen, Dooky Chase's Restaurant, Central Grocery & Deli, Katie's, Brennan's, Coop's Place, Antoine's Restaurant, Loretta's Authentic Pralines, The Praline Connection, Arnaud's, Palm Court Jazz Cafe, The Court of Two Sisters, Commander's Palace and The Spotted Cat Music Club.
 * Pat O'Brien's is a reference to radio personality Pat O'Brien.
 * In them, Homer ate: Cajun crawfish, Lamb tagine, Grilled lamb sausage, Zucchini bisque, Crabmeat po'boy, Chicken sausage po'boy, Crawfish sausage po'boy, Cochon de lait po'boy, Turkey giardiniera po'boy, Roast beef po'boy, Alligator po'boy, Catfish amandine, Crawfish amandine, Crawfish étouffée, Boiled crawfish, Cajun crawfish, Cajun shrimp, Duck pasta, Fried crab cake, Pecan catfish, Blackened redfish, Seafood mirliton casserole, Fried chicken, Fried green tomatoes, Stuffed shrimp, Muffuletta, Barbecue brisket sandwich, Barbecue chicken sandwich, Smoky bacon greens, Seafood au gratin, Seafood gumbo, Frogs' legs, Chicken gumbo, Jambalaya, Spinach artichoke, Creole sweet potato pone, Red beans and rice with sausage, Veggie red beans and rice, Pralines in cookies, Oyster pralines, Oyster shots, Oyster patties, Bananas Foster, King cake, Dixie cake, Pecan pie, Cajun boudin, Boudin balls, Crawfish rémoulade, Shrimp and lump crabmeat ravigote, Au croissant crawfish po'boy and Yaka mein.
 * A tube from the (written as XL Pipeline) is seen in the river.
 * Madame Midnite's House of Voodoo is a reference to the real life Madame VooDoo House Of Ink.
 * Homer visits the number one.
 * Louis Armstrong's statue asks Lisa and Homer not to wish him to sing his song "".
 * The song that plays when Lisa and Homer traverse the streets, after meeting the Louis Armstrong statue, is his song "".
 * Homer, Lisa and Bart eat beignet at Cafe Du Monde, and Homer says, breaking the fourth wall, that the next episode will beat , but Bart retorts that he's not counting the radio episodes. Homer shuts him up by making him eat a beignet.
 * The man holding the glass bottleswearing a red bandana is a reference to Luther in the movie .
 * The episode was dedicated to R. Lee Ermey who passed away on April 15th, seven days before this episode aired.

Continuity

 * The Tracey Ullman Show short The Aquarium is shown before the title screen, till the shark is seen with Bart in his mouth.
 * The billboard makes reference to when Burns was shot and how no one was arrested for it. ("Who Shot Mr. Burns?")
 * A picture of Yo-Yo Ma is shown. ("Puffless")
 * Bleeding Gums Murphy's nephew shows Lisa a picture of her and Murphy on the bridge playing sax. ("Moaning Lisa")

Trivia

 * In the opening sequence, Gerald Samson helds a banner saying "Happy 635th", a reference on how this is the 635th episode of the show, being tie with  as TV's longest running primetime scripted series. The next episode, Forgive and Regret, the show will surpass Gunsmoke and take the record.
 * The episode's opening sequence leads directly into the episode, with Lisa exiting the school. Shortly after, the rest of the family are seen waiting for Lisa so they can do the couch gag,

Goofs

 * The Court of Two Sisters is written as The Court of the Two Sisters in the episode.