Question: What musical did the singer of "Bohemian Rhapsody" perform a song for?

Context articles: The Story of Bohemian Rhapsody
Under Pressure
Bohemian Rhapsody (film)
Hungarian Rhapsody: Queen Live in Budapest
We Should Be Together (song)
Marginal Prophets
In My Defence
Freddie Mercury
Roman Holiday (song)
Bad News (Bad News album)

The Story of Bohemian Rhapsody is a 2004 documentary about the song "Bohemian Rhapsody", written by the lead singer of Queen, Freddie Mercury.
"Under Pressure" is a 1981 song by the British rock band Queen.
 The song was written and recorded in collaboration with the singer David Bowie.
 It was included on Queen's 1982 album "Hot Space".
 The song reached number one on the UK Singles Chart, becoming the band's second number-one hit in their home country (after 1975's "Bohemian Rhapsody," which topped the chart for nine weeks).
 The song only peaked at No. 29 on the US "Billboard" Hot 100, and would re-chart for one week at No. 45 in the US following Bowie's death in January 2016.
 It was also number 31 on VH1's 100 Greatest Songs of the '80s.
Bohemian Rhapsody is an upcoming American-British biographical drama film directed by Bryan Singer and written by Justin Haythe.
 It focuses on a 15 year period from the formation of Queen and lead singer Freddie Mercury up to their performance at Live Aid in 1985, six years before Mercury's death.
 The film stars Rami Malek, Ben Hardy, Gwilym Lee, Joseph Mazzello, Allen Leech, and Lucy Boynton.
 Queen guitarist Brian May and drummer Roger Taylor are serving as the film's music producers.
 The film is scheduled for release in the United States on December 25, 2018 by 20th Century Fox.
Hungarian Rhapsody: Queen Live in Budapest is a concert film of the British rock band Queen's performance in Budapest on 27 July 1986.
 It was part of Brian May, Roger Taylor and John Deacon's final tour with original lead singer Freddie Mercury, The Magic Tour.
 Queen were one of the few bands from Western Europe to perform in the Eastern Bloc during the Cold War.
 The film had a limited release in theatres worldwide on 20 September 2012.
 The concert was released on DVD and Blu-ray for the first time on 5 November 2012 worldwide, except in the United States where it was released a day later.
 The concert title is a play on the Hungarian Rhapsodies by Franz Liszt and one of Queen's most celebrated hits, "Bohemian Rhapsody."
"We Should Be Together" is a Christmas-themed song by Cliff Richard.
 Released as a single in November 1991 in the UK, the song bidded for the Christmas No.1 spot.
 However the song peaked at the No. 10 position - ultimately being beaten to the festive top spot by the re-release of Queen's "Bohemian Rhapsody" following the death of Freddie Mercury.
Marginal Prophets is a hip-Hop group from San Francisco, California.
 Its members are vocalists Keith Knight (aka K-Squared) and Jeff Kramer (aka The Noble Def G), bassist Adam Lodge, drummer Adam Lipsky, and guitarist Jeff Ranney.
 Their album "Bohemian Rap CD" (a play on the song "Bohemian Rhapsody" by Queen) was awarded the 2004 California Music Award for Outstanding Rap Album.
 They are unsigned.
"In My Defence" is a song performed by Queen lead vocalist Freddie Mercury.
 It was from the 1986 musical "Time" by Dave Clark and featured on the "Time" concept album.
 The song was not a hit during Mercury's lifetime but was released posthumously in 1992, reaching number eight in the UK Singles Chart.
Farrokh "Freddie" Mercury (born Bulsara; 5 September 1946 – 24 November 1991) was a British singer, songwriter and record producer, known as the lead vocalist of the rock band Queen.
 He was known for his flamboyant stage persona and four-octave vocal range.
 Mercury wrote numerous hits for Queen, including "Bohemian Rhapsody", "Killer Queen", "Somebody to Love", "Don't Stop Me Now", "Crazy Little Thing Called Love", and "We Are the Champions".
 He led a solo career while performing with Queen, and occasionally served as a producer and guest musician for other artists.
Roman Holiday is a song by Trinidadian hip hop artist Nicki Minaj, the opening track from her second album, "".
 It was written by Nicki Minaj, Larry Nacht, Winston Thomas and Safarree Samuels, and produced by Blackout (Thomas) and Pink Friday Productions.
 Two months prior to the album's official release, Minaj performed what many viewed as a controversial rendition of the song at the 54th Grammy Awards ceremony on February 12, 2012, which received generally unfavorable reviews from critics.
 Reviewing the album, Jessica Hopper of "Spin" called the song itself "pure theater, the closest hip-hop's gotten to its own Bohemian Rhapsody, full of thrilling crescendos and twitchy verses that verge on the ridiculous, but always shift toward the triumphant.
Bad News is the self-titled debut album from British heavy metal group Bad News released in October 1987 by EMI.
 The album features a cover of the famous Queen song "Bohemian Rhapsody" and was produced by Queen's guitarist Brian May.
 "Bohemian Rhapsody" was released as a single along with music video created for it, written and directed by Adrian Edmondson, who portrays Vim Fuego in the group.
 The video was released as a video single by Picture Music International.
 In 2004, EMI re-released the album with a re-ordered track listing and with additions of tracks derived from the group's follow-up album "The Cash In Compilation".