Title: Knock Knock (play)
Content:  Knock Knock is a play written by American author, cartoonist and playwright Jules Feiffer. It is a comedy, and was produced on Broadway in 1976, where it earned Tony Award nominations including Best Play. In Feiffer's signature style, he created the artwork for the poster and program, which shows figures peering out from behind a door to answer the knock. 
Title: Knockin' on Heaven's Door
Content:  "Knockin' on Heaven's Door" is a song by American singer-songwriter Bob Dylan, written for the soundtrack of the 1973 film Pat Garrett and Billy the Kid. Released as a single two months after the film's premiere, it became a worldwide hit, reaching the Top 10 in several countries. The song became one of Dylan's most popular and most covered post-1960s compositions, spawning covers from Guns N' Roses, Eric Clapton, Randy Crawford and more. Described by Dylan biographer Clinton Heylin as "an exercise in splendid simplicity", the song features two short verses, the lyrics of which comment directly on the scene in the film for which it was written: the death of a frontier lawman (Slim Pickens) who refers to his wife (Katy Jurado) as "Mama".
Title: Knockin' on Heaven's Door
Content: Bob Dylan: vocals, guitar ; Roger McGuinn: guitar ; Jim Keltner: drums ; Terry Paul: bass ; Carl Fortina: harmonium ; Carol Hunter: backing vocals ; Donna Weiss: backing vocals ; Brenda Patterson: backing vocals 
Title: Knockin' on Heaven's Door
Content:  In 1996 and with the consent of Dylan, Scottish musician Ted Christopher wrote a new verse for "Knockin' on Heaven's Door" in memory of the schoolchildren and teacher killed in the Dunblane school massacre. This has been, according to some sources, one of the few times Dylan has officially authorized anybody to add or change the lyrics to one of his songs. This version of the song, featuring children from the village singing the chorus with the guitarist and producer of Dylan's album Infidels (1983), Mark Knopfler, was released on December 9, 1996, in the United Kingdom and reached No. 1 on the UK and Scottish Singles Charts, as well as No. 6 in Iceland and Ireland. The proceeds went to charities for children. The song was featured on the compilation album Hits 97, where all royalties from the song were given to three charities.
Title: Knockin' on Heaven's Door (1997 film)
Content:  Knockin' on Heaven's Door is a 1997 German crime tragicomedy film by Thomas Jahn, starring Til Schweiger, Moritz Bleibtreu, Jan Josef Liefers and Rutger Hauer. Its name derives from the Bob Dylan song which is also on the film's soundtrack. It was entered into the 20th Moscow International Film Festival where Til Schweiger won the Silver St. George for Best Actor. The film has received widespread popularity in Russia and other post-Soviet states and has attained a cult status there.
Title: Knocking on Heaven's Door (2014 film)
Content: Majid Michel as Thomas Da'Costa (Tom) ; Adesua Etomi as Debbie ; Blossom Chukwujekwu as Moses ; Ini Edo as Brenda ; Robert Peters as Pastor ; Lelee Byoma as Wunmi ; Steve 'Yaw' Onu as Yaw (Guest appearance) 
Title: I'm Gonna Knock on Your Door
Content:  "I'm Gonna Knock on Your Door", written by Aaron Schroeder and Sid Wayne, is a song that was originally released by the Isley Brothers in 1959 and became a hit for teenage actor Eddie Hodges in 1961. It peaked at #12 at Billboard Hot 100.
Title: Knocking on Heaven's Door (2014 film)
Content:  Knocking on Heaven's Door is a 2014 Nigerian musical romantic drama film written by Vivian Chiji, produced by Emem Isong and directed by Desmond Elliot, starring Majid Michel, Adesua Etomi and Blossom Chukwujekwu. The film premièred on 18 April 2014 at Silverbird Galleria, Victoria Island, Lagos. It tells a story of the marital relationship between Debbie (Adesua Etomi) and Moses (Blossom Chukwujekwu), and how an untold story from Moses' past tries to jeopardize their seemingly flawless union. The story takes an intriguing turn when a music producer Thomas Dacosta (Majid Michel) enters into their lives.
Title: Knock Knock (play)
Content:  Knock Knock was first performed Off-Broadway at the Circle Repertory Company. It opened on February 2, 1976 to positive reviews. With its success the show moved, production intact, to Broadway where it opened on February 24, 1976 at the Biltmore Theatre. It was directed by Marshall W. Mason. The cast included Neil Flanagan (Abe), Daniel Seltzer (Cohn), Judd Hirsch (Wiseman), and Nancy Snyder (St. Joan). Sets were designed by John Lee Beatty, costumes by Jennifer von Mayrhauser and lights by Dennis Parichy. It marked the Broadway debut for a number of its cast and production crew. The production earned a number of Tony 
Title: Knock Knock (Monica song)
Content:  "Knock Knock" is a song by American R&B recording artist Monica. It was written and produced by rappers Missy Elliott and Kanye West for her fourth studio album After the Storm (2003). Commissioned following the delay and subsequent reconstruction of Monica's third album All Eyez on Me (2002), the song is built around excerpts of the composition "It's a Terrible Thing to Waste Your Love" (1976) by American vocal group The Masqueraders. Due to the sample, Lee Hatim is also credited as a songwriter. On breezy, summer-tinged "Knock Knock," a blending of 1970s-style soul and hip hop set against steely keyboards and a stony bass, the protagonist warns a cheating boyfriend not to come calling. 

Question: who wrote knock knock knocking on heavens door?
Answer: Bob Dylan.