Question: Which collaboration song between Rihanna and Eminem was released before "The Monster" and charted on multiple charts worldwide??

Context paragraphs:
Rhythm Nation: "Rhythm Nation" is a song by American singer Janet Jackson, released as the second single from her fourth studio album "Janet Jackson's Rhythm Nation 1814" (1989).  It was written and produced by Jackson, in collaboration with James "Jimmy Jam" Harris III and Terrence "Terry" Lewis.  Jackson developed the song's concept in response to various tragedies in the media, deciding to pursue a socially conscious theme by using a political standpoint within upbeat dance music.  In the United States, it peaked at number two on the "Billboard" Hot 100 and topped the Hot R&B/Hip-Hop Songs and Dance Club Songs singles charts.  It also peak within the top 40 of most singles charts worldwide.  "Rhythm Nation" received several accolades, including BMI Pop Awards for "Most Played Song", the Billboard Award for "Top Dance/Club Play Single" and Grammy Award nomination for Jackson as "Producer of the Year."  It has been included in two of Jackson's greatest hits collections, "" (1995) and "Number Ones" (2009).

Mō Ichi do...: "Mō Ichi do..." (もう一度… , "Once More" ) is a double-A side single released by artist Dohzi-T.  The main song is a collaboration song with Beni.  The song sold over 2,000,000 ringtone downloads and was later released as a single.  The single managed to reach the number seven spot weekly on the Oricon ranking and was a long charting hit selling over 80,000 copies.  The single is ranked as #93 on the yearly Oricon chart.

List of songs recorded by Nicki Minaj: American rapper Nicki Minaj has recorded songs for three studio albums, one re-issue and three mixtapes, some of which were collaborations with other performers.  Her debut album, "Pink Friday", was released in November 2010. " Your Love" was released as the lead single; it contains a sample of British singer-songwriter Annie Lennox's song "No More I Love You's".  Minaj wrote the songs "Roman's Revenge" (which features American rapper Eminem) and "Here I Am" in collaboration with producer Swizz Beatz.  "Roman's Revenge" references both artists' alter-egos, Roman Zolanski for Minaj and Slim Shady for Eminem.  She co-wrote the song "Did It On'em" with Grammy Award-winning American producer Bangladesh, alongside Justin Ellington and Safaree Lloyd Samuels.  Minaj and J. R. Rotem worked together on the seventh and eighth single releases "Girls Fall Like Dominoes" and "Fly", which features Bajan recording artist Rihanna.  On "Girls Fall Like Dominoes", Minaj raps about how she can steal fans from male artists in the music industry, specifically Lil Wayne and Drake.  Rihanna's contribution to the "inspirational" ballad "Fly" was added at Minaj's request, as noted by Jayson Rodriquez writing for MTV News.  Andrew "Pop" Wansel and Warren "Oak" Felder co-wrote three tracks with Minaj, including "Your Love", "Save Me" and "Muny".

Numb (Rihanna song): "Numb" is a song by Barbadian singer Rihanna from her seventh studio album "Unapologetic" (2012).  It features guest vocals by American rapper Eminem, making it the pair's third collaboration since the two official versions of "Love the Way You Lie".  Following the album's release, "Numb" charted on multiple charts worldwide including in Canada, the United Kingdom and the United States.

Love the Way You Lie: "Love the Way You Lie" is a song recorded by the American rapper Eminem, featuring the Barbadian singer Rihanna, from Eminem's seventh studio album "Recovery" (2010).  The singer and songwriter Skylar Grey wrote and recorded a demo of the song alongside the producer Alex da Kid when she felt she was in an abusive romantic relationship with the music industry.  Eminem wrote the verses and chose Rihanna to sing the chorus, resulting in a collaboration influenced by their past experiences in difficult relationships.  Recording sessions were held in Ferndale, Michigan, and Dublin, Ireland.  Backed by guitar, piano and violin, the track is a midtempo hip hop ballad with a pop refrain, sung by Rihanna, and describes two lovers who refuse to separate despite being in a dangerous love–hate relationship.

Paranormal (Prozak album): Paranormal is the second studio album by American rapper Prozak.  It was released April 24, 2012, and marked rapper's second full-length release on Strange Music.  The album featured guest appearances from Tech N9ne, Twiztid, Krizz Kaliko, and Sid Wilson of heavy metal band Slipknot.  The record has appeared on multiple charts, debuted at #90 on "Billboard" 200, #15 on Top R&B/Hip-Hop Albums, #8 on Top Rap Albums and #15 on Top Indie Albums chart.

The Monster (song): "The Monster" is a song by American rapper Eminem, featuring guest vocals from Barbadian singer Rihanna, taken from Eminem's album "The Marshall Mathers LP 2" (2013).  The song was written by Eminem, Jon Bellion, and Bebe Rexha, with production handled by Frequency.  "The Monster" marks the fourth collaboration between Eminem and Rihanna, following "Love the Way You Lie", its sequel "Love the Way You Lie (Part II)" (2010), and "Numb" (2012).  "The Monster" was released on October 29, 2013, as the fourth single from the album.  The song's lyrics present Rihanna coming to grips with her inner demons, while Eminem ponders the negative effects of his fame.

Who Knows Who: "Who Knows Who" is a collaboration song by English alternative rock band Muse and English hip hop artist Mike Skinner.  Not originally intended for official release, an early version of the song leaked onto several Muse internet forums in August 2008.  The song was officially released as the B-side to the 7" vinyl edition of the single "Uprising" on 7 September 2009.  The lyrics were written by Skinner and the music was written by Muse's Matthew Bellamy.

Combichrist: Combichrist is an American aggrotech band formed in 2003 by Norwegian Andy LaPlegua, who also founded the bands Icon of Coil, Panzer AG, "Scandinavian Cock" and "Scandy".  Combichrist is based in Atlanta, Georgia.  The band consist of only LaPlegua in the studio with Joe Letz, Eric13, Brent Ashley, and Nick Rossi for live performances.  Releases by the band have been very successful in terms of sales and charted in top positions for dance and alternative charts worldwide.

X (Chris Brown song): "X" is a song by American recording artist Chris Brown, taken from his sixth homonym studio album "X" (2014), and was released as an instant-gratification track alongside the album pre-order on iTunes on August 25, 2014.  It was written by Brown, Diplo, Djemba Djemba, RoccStar, Dewain Whitmore, Jr. and Sevyn Streeter.  Musically, "X" is a song that unites R&B and soul vocals with a dance beat.  The song contains lyrics about Brown forgetting a failed relationship with a woman.  "X" received critical praise from music critics, which praised the maturity of the lyrics and his production.  Following the release of "X", as a result of the strong digital downloads, the song charted on multiple charts worldwide; it peaked at number 98 on the US "Billboard" Hot 100, number 26 on the US Hot R&B/Hip-Hop Songs chart, number 63 on the French Singles Chart, number 12 on the UK Singles R&B Chart, number 81 on the UK Singles Chart and number 75 on the Australian Singles Chart.

Supporting paragraphs: The Monster (song) Numb (Rihanna song)
Answer: Numb