* CreatorWorship: Jimmy's dad has two portraits on his wall; one of ThePope and one of [[ElvisPresley Elvis]] hanging above it. Upon hearing two of Jimmy's auditionees singing a song called "Elvis Was a Cajun", he complains:
--> [[SeriousBusiness That's fuckin' blasphemy]]! Elvis wasn't a Cajun!
* CrowningMusicOfAwesome: Most of the soundtrack, but ''In the Midnight Hour'' stands out.
** ''Try a Little Tenderness''.
* CrowningMomentOfFunny: Jimmy encouraging the band to "[[JamesBrown Say it once, say it loud, I'm black and I'm proud.]]"
** Even better, Dean later announces his "blackness" to a stunned group of kids.
* FaceOfTheBand: Deco, [[TedBaxter and he knows it]]. However, yelling "[[IAmTheBand I hope yis like me group!]]" didn't go too well for him.
* GrandpaWhatMassiveHotnessYouHave: All three of the girls seem to think so, anyway.
** In the movie, anyway; in the novel, [[spoiler: it's revealed it was all part of a joke the three were playing.]]
* RetroactiveRecognition: A young [[{{Once}} Glen Hansard]] plays Outspan.
** [[TheTudors Catharine of Aragon]] sings a smokin' cover of ''Bye Bye Baby''.