Read this: A 30 Rock writer annotated the lyrics of "Werewolf Bar Mitzvah"

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One of 30 Rock’s earliest and most enduring gifts to the world was undoubtedly “Werewolf Bar Mitzvah,” a 10-second gag from Season 2 highlighting a novelty party song performed by Tracey Jordan-Morgan. The tale of “boys becoming men, men becoming wolves” included a hook catchier than it had any right to be, and the brief clip was soon expanded into a full song for a new generation of Jewish teens to play at their receptions on Saturday morning.