Title: It's Over Now (Luther Vandross song)
Content:  "It's Over Now" is a song by American recording artist Luther Vandross released in 1985 as the second single from his album The Night I Fell in Love. The single was a top-five hit on Billboard’s Hot R&B Singles chart.
Title: It's Over Love
Content:  "It's Over Love" is 1997 song by Todd Terry Feat. Shannon from his album Ready For A New Day. It topped the Billboard Dance Chart in the USA in April 1998 and reached number 16 in the UK making it Todd Terry's third highest charting single there.
Title: It Must Have Been Love
Content:  "It Must Have Been Love", originally "It Must Have Been Love (Christmas for the Broken Hearted)", is a song written by Per Gessle and performed by the Swedish pop duo Roxette. The power ballad became the duo's third number one hit in the United States, and is one of their best selling releases, being certified gold or platinum in a number of countries. Four different versions of the song have been officially released. The original song was released in 1987, which was followed by the most successful incarnation, a slightly edited version, omitting the Christmas references, created for the soundtrack to the 1990 film Pretty Woman. During the "Join the Joyride! World Tour" in 1991, the band recorded a country music version in Los Angeles, included on their 1992 album Tourism. A Spanish-language version of the Pretty Woman recording was released on their 1996 compilation Baladas en Español. Finally, an orchestral live performance from the band's 2009 concert at Night of the Proms was included on their 2012 studio album, Travelling.
Title: It Must Have Been Love
Content:  In 2020, English singer Karen Harding covered "It Must Have Been Love" on 5 February.
Title: It Should Have Been Love by Now
Content:  "It Should Have Been Love by Now" is a song written by Jan Crutchfield and Paul Harrison, and recorded by American country music artists Lee Greenwood and Barbara Mandrell. It was released in February 1985 as the second single from the album Meant for Each Other. The song reached #19 on the Billboard Hot Country Singles & Tracks chart.
Title: If It's Over
Content:  "If It's Over" is a song written by American singers and songwriters Mariah Carey and Carole King, with the former and Walter Afanasieff helming its production. It was originally released on September 17, 1991, on Carey's second studio album, Emotions. Lyrically, the song tells of a romance that has withered, and finds the protagonist asking her lover "if it's over, let me go." Several months after the release of Emotions, Carey performed the song during her appearance on the television show MTV Unplugged. Following the release of the MTV Unplugged EP, the song's live version was used as the second single released from the EP in late 1992. The live single version omits the second verse and chorus, as the songs were shortened for the show. It received a very limited release, being featured as an airplay only single in certain territories. Its only peak was in the Netherlands, where it reached number eighty. Carey performed "If It's Over" live during the 34th annual Grammy Awards and on Saturday Night Live.
Title: It's Over Now (Jeanette song)
Content:  "It's Over Now" is a song by German recording artist Jeanette. Written by Frank Johnes, Bodybrain, and Kristina "Wonderbra" Bach, it was produced by Thorsten Brötzmann and Werner Becker for the gold edition of her third studio album Rock My Life (2003). Released as a single in March 2003, the ballad peaked at number six on the German Singles Chart, also reaching the top twenty on the Austrian Singles Chart. Bach re-recorded a German language version of the song, entitled "Ich tanz allein," for her album Leb dein Gefühl (2004).
Title: It's Over Now (Deborah Cox song)
Content:  "It's Over Now" is a song by Canadian singer Deborah Cox. It was written by Keir "KayGee" Gist, Taura Stinson, Alonzo Jackson, and DeMone Griffin for her second studio album One Wish (1998), while production was overseen by KayGee and Jackson. Released as the album's second following the major success of "Nobody's Supposed to Be Here", it became a moderate commercial success on the charts, peaking at number 20 on Billboard's US Hot R&B/Hip-Hop Songs, while becoming her third consecutive and fourth overall number one hit on the Dance Club Songs. The song has been sampled several times, including "It's Over Now" by Big Ang featuring Siobhan in 2005 (UK # 29 ), "Watchin'" by Freemasons featuring Amanda Wilson in 2006 (UK #19 ) and "Lies" by Burns in 2012 (UK #32 ).
Title: When It's Over (Loverboy song)
Content:  "When It's Over" was a song written by band members Paul Dean and Mike Reno, released by the rock band Loverboy from their album Get Lucky in 1981. Relying heavily on synthesizers, the song became a Top 40 hit for the band when released as a single the following year, peaking at #26 on the charts for two weeks in June 1982.
Title: It Must Have Been Love
Content:  In 2019, English singer Megan McKenna covered "It Must Have Been Love" as the first winner of The X Factor: Celebrity. Following the announcement that she had won, her version of the song was released on 30 November.

Question: who sang it must have been love but its over now?
Answer: Roxette.