Question: When was the main theme of a 2012 American buddy comedy film released by Seth MacFarlane released?

Context paragraphs:
Peter Griffin: Peter Griffin is the main protagonist and title character of the American animated sitcom "Family Guy".  He is voiced by cartoonist Seth MacFarlane and first appeared on television, along with the rest of the family, in the 15-minute pilot pitch of "Family Guy" on December 20, 1998.  Peter was created and designed by MacFarlane himself.  MacFarlane was asked to pitch a pilot to the Fox Broadcasting Company based on "Larry & Steve", a short made by MacFarlane which featured a middle-aged character named Larry and an intellectual dog, Steve.  After the pilot was given the green light, the Griffin family appeared in the episode "Death Has a Shadow".

No One Ever Tells You: No One Ever Tells You is the third studio album by Seth MacFarlane, released digitally through iTunes and Amazon Music on September 30, 2015.  The album features Frank Sinatra's bassist Chuck Berghofer as well as a 65-piece orchestra.  The album is the follow-up to MacFarlane's 2014 Christmas album "Holiday for Swing".  Like his two previous albums, "No One Ever Tells You" was produced and conducted by film and television composer Joel McNeely.  The album earned MacFarlane a Grammy Award nomination for Best Traditional Pop Vocal Album.

Ted (film): Ted is a 2012 American buddy comedy film directed by Seth MacFarlane in his feature film directorial debut.  The screenplay by MacFarlane, Alec Sulkin, and Wellesley Wild is from MacFarlane's story.  The film stars MacFarlane, Mark Wahlberg, Mila Kunis, and with Joel McHale and Giovanni Ribisi in supporting roles, with MacFarlane providing the voice of the title character.  The film tells the story of John Bennett, a Boston native whose childhood wish brings his teddy bear friend Ted to life.  However, in adulthood, Ted prevents John and his love interest Lori Collins from moving on with their lives.

Ready to Rumble: Ready to Rumble is a 2000 American buddy comedy film directed by Brian Robbins and written by Steven Brill, which is based on Turner Broadcasting's now defunct professional wrestling promotion, World Championship Wrestling (WCW).  The movie draws its title from ring announcer Michael Buffer's catchphrase, "Let's get ready to rumble!"  The movie features many wrestlers from WCW.  Some countries such as Finland, Australia, and Japan were only able to see direct-to-video premiere releases of this film.

Everybody Needs a Best Friend: "Everybody Needs a Best Friend" is a song from the 2012 feature film "Ted", with music composed by Walter Murphy and lyrics by Seth MacFarlane.  Performed by Norah Jones during the film's opening credits, the song was used as the film's main theme song.  It was released by Universal Republic Records on June 26, 2012.

Roger (American Dad!): Roger Smith (born Wogir) is a fictional character in the adult animated sitcom "American Dad! ", voiced by Seth MacFarlane.  The character was created and designed by Seth MacFarlane.  Roger is a centuries-old grey space alien living with the Smith family, around whom the show revolves.  Having lived on Earth since 1947, Roger came to live with the Smiths after rescuing main character Stan Smith at Area 51 four years prior to the beginning of the series.

Ted 2: Ted 2 is a 2015 American comedy film directed by Seth MacFarlane and is a sequel to the 2012 film "Ted".  The film's screenplay was written by MacFarlane, Alec Sulkin, and Wellesley Wild.  The film stars Mark Wahlberg and MacFarlane, and follows Ted as he fights for civil rights in order to be recognized as a person to have kids.  "Ted 2" was released on June 26, 2015, by Universal Pictures.  The film grossed over $216 million and received mixed reviews.

Family Guy: Live in Vegas: Family Guy: Live in Vegas is a soundtrack album for the American animated television series "Family Guy".  It was released on April 26, 2005 by Geffen Records.  It was composed by Walter Murphy and creator Seth MacFarlane.  The album features only one song from the series, the theme song, the rest of the songs were composed exclusively for the album.  It features vocals from Seth MacFarlane, Alex Borstein, Seth Green, Mike Henry, Mila Kunis, Adam West and Lori Alan, as well as Jason Alexander, Patti LuPone and Haylie Duff as guest stars.  It includes Rat Pack- and Broadway-inspired songs.

The Flintstones (film): The Flintstones is a 1994 American buddy comedy film directed by Brian Levant and written by Tom S. Parker, Jim Jennewein, and Steven E. de Souza.  It is a live-action adaptation of the 1960–1966 animated television series of the same name.  The film stars John Goodman as Fred Flintstone, Rick Moranis as Barney Rubble, Elizabeth Perkins as Wilma Flintstone, and Rosie O'Donnell as Betty Rubble, along with Kyle MacLachlan as a villainous executive-vice president of Fred's company, Halle Berry as his seductive secretary and Elizabeth Taylor (in her final theatrical film appearance), as Pearl Slaghoople, Wilma's mother.  The B-52's (as The BC-52's in the film) performed their version of the cartoon's theme song.

Hayley Sings: Hayley Sings is the debut album by Rachael MacFarlane, younger sister of "Family Guy" creator Seth MacFarlane.  Produced by veteran producer Allen Sviridoff, the album was released on September 25, 2012.

Supporting paragraphs: Everybody Needs a Best Friend Ted (film)
Answer: June 26, 2012