"Grease Lightning" is a popular song from the musical Grease, which debuted in 1971. The song is performed by the character Danny Zuko and his friends as they fantasize about transforming a car into a high-speed vehicle. The upbeat tempo and catchy lyrics highlight themes of youth, rebellion, and the excitement of car culture in the 1950s. In the context of the musical, "Grease Lightning" serves as a pivotal moment that showcases the characters' aspirations and camaraderie. The performance is often accompanied by energetic choreography, emphasizing the carefree spirit of the T-Birds, a group of greaser boys.