History Main / DoItYourselfThemetune

* Bella Ramsey, the voice of WesternAnimation/{{Hilda}}, wrote and performed a song called "The Life of Hilda" which is a fun combination of this trope and a IAmSong which talks about Hilda's everyday life. While the song is released on Youtube on November 25th, the song will also be featured during the credits of a Season 2 episode. Bonus points for it being sung in her character's voice!

* Ringo Andou's voice actress [[Creator/AsamiImai Asami Imai]] sings the vocal version of ''[[VideoGame/PuyoPuyo Puyo Puyo 7]]'''s main theme song.

* Every story arc of {{LightNovel/Bakemonogatari}} (usually about two-three consecutive episodes) is focused on a specific character, and comes with a separate, unique opening, sung by that character's [[AlwaysFemale voice actress]].

* Every story arc of LightNovel/Bakemonogatari (usually about two-three consecutive episodes) is focused on a specific character, and comes with a separate, unique opening, sung by that character's [[AlwaysFemale voice actress]].

* The ending theme to ''VideoGame/{{Portal}}'' is sung by Creator/EllenMcLain in character as [=GLaDOS=], complete with the electronic voice distortion and unsettling inflections of the original. Keep in mind that [=McLain=] is a trained opera singer.

* "Freesia", a prominent theme heard throughout ''VideoGame/MegaManZero 4'', is sung by Creator/RieTanaka, who also voices the female lead, Ciel.
* In ''VideoGame/BlazBlue'', one of the fight themes is a vocal version of Noel's theme song. It was written and performed by, naturally, her voice actress Creator/KanakoKondo.

* The opening themes for ''VideoGame/MegaManX6'', "Moon Light" and "The Answer", are both sung by Creator/ShowtaroMorikubo, who also voiced X.

* ''VideoGame/{{Shantae}}'' has "Dance Through the Danger", as well as the opening song for ''Seven Sirens'', performed by the titular character's voice actress Creator/CristinaVee, who's presumably singing them in-character based on the lyrics.

** ''Series/KamenRiderOOO'': The themes for OOO's seven [[MultiformBalance form changes]] are sung by lead actor Shu Watanabe (Eiji Hino) himself. Two of them are also duets - "Time Judged All" with Ryosuke Miura (Ankh) and "Power to Tearer" with the legendary Akira Kushida (the voice of the OOO Driver).

* ''Manga/{{Working}}'' is interesting in the sense that not only the female leads[[note]]Creator/KanaAsumi, Creator/SakiFujita, Creator/EriKitamura[[/note]] get to sing a theme song (the opening), but the male leads[[note]]Creator/JunFukuyama, Creator/DaisukeOno, Creator/HiroshiKamiya[[/note]] too (the ending). This format is repeated in its second and third seasons as well.

** The opening and 2nd ending themes of ''Anime/MacrossDelta'' are performed by all the members of in-universe GirlGroup Walkure, while the 1st ending is sung by Freyja Wion's actress, Minori Suzuki. In fact, both the opening and closing themes are sung by the cast during the events of the actual show.

* Creator/HalkoMomoi performs both the voice acting for Mii and the opening theme in ''Anime/{{Popotan}}''.

* Director Creator/MikeFiggis often composes his own scores for his films.

** In South Korea, the opening of ''Series/PowerRangersDinoForceBrave'' is sung by five male actors.

* Every iteration of the ThemeTune of ''Series/MysteryScienceTheater3000'' was written and performed by the show's stars - Joel Hodgson wrote the lyrics that appear during his five seasons on the show, and all the variations that appear during the Mike years were written by Mike Nelson himself. (Considering that Mike wrote about three out of every five songs performed on the show, this is not actually all that surprising.) The streak was broken by Season 11, with lyrics written and sung by Creator/HarMarSuperstar, albeit with part of the song being sung by Creator/FeliciaDay, who played the show's new BigBad.

* The theme to the 1980s British sitcom ''Series/AFineRomance'' (the [[RealSongThemeTune song]] "A Fine Romance", written by Jerome Kern and Dorothy Fields) was sung by the show's star, Dame Judi Dench.

* The opening theme of ''Series/BRoboKabutack'', "Kiyoku Tadashiku Kabutack," is sang by Kabutack's VA, Creator/TakeshiKusao. Also the only one of the Metal Heroes series that has this trope.

* ''Series/JikuuSenshiSpielban'': The Opening Song is sung by Ichiro Mizuki (Doctor Ben/Doctor Bio).

** The original UK version had its theme tune sung by Creator/NeilMorrissey.

* "The Ghost and Molly [=McGee=]", an upcoming Creator/DisneyTelevisionAnimation TV show, has the theme song performed by Ashly Burch and Dana Snyder who voices Molly and Scratch respectively. Molly sings about how Scratch is stuck with her forever and [[ThisIsGonnaSuck Scratch goes on about on how it will go wrong]].

* ''Series/BirdsOfAFeather'': From Series 3 onwards, the theme tune ([[RealWorldSongTune a version of "What'll I Do"]]) is sung by two of the co-stars (Pauline Quirke and Linda Robson).

* ''Manga/MyNeighborSeki'' has an unusual take on this- one of the characters is actually seen [[BreakingTheFourthWall ''making'' the opening]] (drawing, animating, recording), which is entirely in character for him.

* The theme tune to ''WesternAnimation/CornAndPeg'' is mostly peformed by Michela Luci and Kingsley Marshall, but it has parts sung by Corn and Peg.

** Eastwood subsequently wrote themes for his films as a director (such as ''Film/{{Unforgiven}}'') and then graduated to scoring them -- apparently the likes of Lalo Schifrin, Music/JohnWilliams, Jerry Fielding and Maurice Jarre were just a warmup. He has written (and at times, sung) [[http://www.imdb.com/name/nm0000142/#soundtrack songs]] or [[http://www.imdb.com/name/nm0000142/#composer full-on scores]] for his movies.

* Wrestling/KeithLee raps his own NXT theme song Limitless and his current main roster theme song Born to Bring It.

* ''Franchise/PrettyCure'':

* ''Manga/LifeLessonsWithUramichiOniisan'': The opening song "ABC Taiso" is performed by (Iketeru Onii-san) Creator/MamoruMiyano and (Utano One-san)
Creator/NanaMizuki. The ending song "Dream on" is performed by Creator/MamoruMiyano.

* ''Manga/LifeLessonsWithUramichiOniisan'': The opening song "ABC Taiso" is performed by Iketeru Onii-san (Creator/MamoruMiyano) and Utano One-san (Creator/NanaMizuki). The ending song "Dream on" is performed by Creator/MamoruMiyano.

* ''Manga/LifeLessonsWithUramichiOniisan'': The opening song "ABC Taiso" is performed by Ikereru Onii-san (Creator/MamoruMiyano) and Utano One-san (Creator/NanaMizuki). The ending song "Dream on" is performed by Creator/MamoruMiyano.

* ''Manga/HowHeavyAreTheDumbbellsYouLift'': The opening theme is sung by Hibiki voice actress Ai Fairouz and Machio voice actor Creator/KaitoIshikawa. The ending theme is sung by Ishikawa.

* Wrestling/KeithLee raps his own NXT theme song Limitless and his current main roster theme song.