TK421
2023 single by Lenny Kravitz
"TK421" is a song by American singer Lenny Kravitz, from his twelfth studio album, Blue Electric Light. The song was released as the album's lead single on October 13, 2023.
Background
Kravitz said in a 2023 interview that the meaning of the song is "positivity, positive energy, positive spirit." The title was inspired by a scene in the film Boogie Nights, in which the character Buck Swope is trying to sell a stereo to a customer and claims that it needs the concocted "TK421 modification" to sound more powerful. Kravitz explained that the TK421 reference in Boogie Nights was an homage by writer/director Paul Thomas Anderson to the science fiction franchise Star Wars, in which TK421 is the identification number of a stormtrooper who received the task of guarding the Millennium Falcon imprisoned in the Death Star.
Video
The song's music video, directed by Tanu Muino, was released together with the single. The video features Kravitz fully nude with his buttocks exposed.
Reception
Mark Seliger of Rolling Stone wrote, "Lenny Kravitz is butt naked and loving life in the music video for his new single...
Begin with the source’s own compact description: “TK421” is 2023 single by Lenny Kravitz. The dossier treats that line as a proposition to test through TK421, single and Lenny, not as a finished interpretation.
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Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Sep 19, 2026. The linked authority identifier is Q123170873. None of the 1 selected statements returned an explicit reference. The first chronological checks are 2023.
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This entry incorporates text from “TK421” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.