Title: Agatha All Along
Content:  used in their other theme songs. The song includes "a big-band horn riff", "kitschy" electric harpsichord for the repeated chorus,  "cheery baritones", a "clap-clap, clap' snare", and is sung in "kooky-spooky voices", with lyrics that reveal how Agatha had been behind all of the show's tragedies. Lopez and Anderson-Lopez produced the song, with Anderson-Lopez conceiving the lyrics and Lopez composing the music. "Agatha All Along" was arranged and orchestrated by Dave Metzger. Hahn is the lead singer on the theme, with Lopez singing backup alongside Eric Bradley, Greg Whipple, Jasper Randall, and Gerald White, the other male backup singers from previous theme songs. Because of the COVID-19 pandemic, Hahn recorded her vocals over Zoom.
Title: Jack of All Trades (TV series)
Content:  The tune and lyrics are based on numerous period songs, such as the "Marines' Hymn" and "Yankee Doodle". The theme song was nominated for the "Outstanding Main Theme Title Song" Emmy in 2000, but lost to The West Wing.
Title: Theme to St. Trinian's
Content:  The song was written specifically to serve as the theme tune to the 2007 film St Trinian's. It was written especially by the film's composer Charlie Mole, with additional lyrics by Ali Thompson. The song was offered to many artists, but was eventually given to Girls Aloud and produced by their production team Xenomania. "Theme to St Trinian's" was later re-recorded by the Banned of St Trinian's; this appeared on the soundtrack to St Trinian's 2: The Legend of Fritton's Gold and was also produced by Xenomania. Coincidentally, Girls Aloud member Sarah Harding had a starring role in the film. A music video for the song was released to music video stations to promote the film and the soundtrack. The video consists of Girls Aloud performing the song at the end of the movie, as well as various clips of other scenes from throughout the film.
Title: Of All People
Content:  Segment producers included Martyn Burke, Martin Lavut and Donald Shebib. The theme music for the series was a song called "You Of All People", written and performed by Jack Schechtman. The song was released on his album, "From Soup to Nuts".
Title: Pokémon Theme
Content:  "Pokémon Theme" (also known as "Gotta catch 'em all!") is a song written by John Siegler and John Loeffler and performed by Jason Paige. It is the original theme song for the first season of the English adaptation of the Pokémon anime. Since its release, the song has been virtually synonymous with the Pokémon franchise because the line "Gotta catch 'em all!" has become its official English slogan; it is derived from the Japanese ポケモンGETだぜ! ("Pokemon [getto] da ze!"). "Pokémon Theme" is a fast-paced pop rock song with continuous male vocals intermixed with backup vocal accompaniment that also sings the chorus: "Pokémon! (Gotta catch 'em all").
Title: Theme to St. Trinian's
Content:  "Theme to St Trinian's" is a promotional single recorded by British all-female pop group Girls Aloud for the album St Trinian’s: The Soundtrack (2007), released to promote the film of the same name. The song was written by the film's score composer Charlie Mole and Ali Thompson, while Girls Aloud's recurring collaborators Xenomania provided production. The track was recorded by Girls Aloud to coincide with their cameo appearance in the film as the St Trinian's School Band. A music video of their performance from the film was used to promote the track, which was available for digital download alongside the rest of the soundtrack album on 10 December 2007. "Theme to St Trinian's" charted at number 51 before being removed by Fascination Records to avoid confusion with Girls Aloud's actual single "Call the Shots". The song is sometimes known as Theme to St. Trinian's Chant.
Title: Agatha All Along
Content:  name as "It Was ______ All Along". When developing the episode, the WandaVision writers wrote placeholder theme songs into the episodes before Anderson-Lopez and Lopez were brought on board, with Cameron Squires, the writer of "Breaking the Fourth Wall", originally naming the Agatha theme "That's so Agatha", as a reference to the television series That's So Raven. "Agatha All Along" is similar to the theme song for The Munsters and "The Addams Family Theme" from The Addams Family. The couple were drawn to the past monster-centric series' music in order to give Agatha's theme song a "witchy, ghoulish feeling" with "a little bit of an Oompa-Loompa tenor feel to it too" and the feeling of 
Title: Thelma &amp; Louise
Content:  Pete Haycock on slide guitar contributed to Thunderbird, the theme music for the film. In addition to Glenn Frey's "Part of Me, Part of You", which became the film's primary theme song, the soundtrack included songs performed by Chris Whitley, Martha Reeves, Toni Childs, Marianne Faithfull, Charlie Sexton, Grayson Hugh, B.B. King, and Michael McDonald.
Title: Leave It All to Me
Content:  Cosgrove was asked by the producers of iCarly if she wanted to record a theme song for the show. The actress explained she had never made a song or been in a recording studio, but agreed and was very excited. She recalled that she had a good time making the song and wanted to record more of it. After it was recorded, "Leave It All to Me" ended up being the theme song for iCarly. Cosgrove told Seventeen that "Leave It All to Me" would serve as the theme song for the 2021 iCarly revival. The actress had to fight hard to keep the original recording of the song to serve as the revival's theme song: "We went around a bunch 
Title: Open All Hours
Content:  The show's theme tune is a song called "Alice, Where Art Thou?", written by Joseph Ascher. It was arranged for a brass band and performed by Max Harris, who also wrote the incidental music for the programme.

Question: who sings the theme song to all that?
Answer: TLC.