Question: When did Limp Bizkit become a rap rock band?

Context paragraphs:
Three Dollar Bill, Y'all: Three Dollar Bill, Y'all$ is the debut studio album by American rap rock band Limp Bizkit.  Released on July 1, 1997, the album established the band's trademark sound with the singles "Counterfeit", which was influenced by hip hop and heavy metal, and "Faith", a cover of a song by George Michael.  Limp Bizkit's rearrangement of the song incorporated heavier guitar playing by Wes Borland and scratching by DJ Lethal.

Limp Bizkit: Limp Bizkit is an American rap rock band from Jacksonville, Florida, formed in 1994.  Their lineup consists of Fred Durst (lead vocals), Sam Rivers (bass, backing vocals), John Otto (drums, percussion), and Wes Borland (guitars, backing vocals).  Their music is marked by Durst's angry vocal delivery and Borland's sonic experimentation.  Borland's elaborate visual appearance, which includes face and body paint, masks and uniforms, also plays a large role in the band's elaborate live shows.  The band has been nominated for three Grammy Awards, have sold 40 million records worldwide and won several other awards.

Icon (Limp Bizkit album): Icon is the fourth compilation album by American rock band Limp Bizkit.  Released in 2011, it is a retrospective compiling material from the band's albums "Three Dollar Bill, Yall$", "Significant Other", "Chocolate Starfish and the Hot Dog Flavored Water", "Results May Vary" and "The Unquestionable Truth (Part 1)".

Eat You Alive: "Eat You Alive" is a song by the band Limp Bizkit.  It was released in September 2003 as a single from their fourth studio album "Results May Vary" (2003).  The song was written by Fred Durst, John Otto, Sam Rivers and Mike Smith, and is Limp Bizkit's first single without Wes Borland, who had left the band in 2001.

Ready to Go (Limp Bizkit song): "Ready to Go" is a song by the American nu metal band Limp Bizkit.  The single features rapper and then label-mate Lil Wayne and is produced by Polow Da Don.  The single is Limp Bizkit's first release for Cash Money Records after their departure from Interscope in 2011.  The song was released in March 2013 as a free download on the band's website and, on April 16, as a digital single on iTunes and Amazon.

Results May Vary: Results May Vary is the fourth studio album by the American rap rock band Limp Bizkit.  Released on September 23, 2003, it is the band's only release under the sole-leadership of vocalist Fred Durst after the temporary departure of guitarist Wes Borland, who left the band in 2001.  Snot guitarist Mike Smith was initially brought in to replace Borland, although the band's falling-out with Smith later lead to his departure, with much of the material recorded with him being discarded from the final release.  Durst and a number of guests ended up handling the majority of the album's guitar work.

Limp Bizkit discography: The discography of Limp Bizkit, an American nu metal band, consists of five studio albums, three compilation albums, one remix album, one live album, one extended play, 26 singles, three promotional singles, 27 music videos and two video albums.  Limp Bizkit formed in 1995 in Jacksonville, Florida.  The band has sold an estimated 50 million albums worldwide.

Significant Other: Significant Other is the second album by American rap rock band Limp Bizkit.  Released in 1999 by Flip/Interscope Records, the album saw the band expanding its sound from that of its debut album "Three Dollar Bill, Yall", to incorporate further metal and hip hop influences.  "Significant Other" was co-produced by Terry Date and Limp Bizkit.  The album has sold at least 16 million copies worldwide.

Stampede of the Disco Elephants: Stampede of the Disco Elephants is the upcoming sixth studio album by American nu metal band Limp Bizkit.  It is set to be Limp Bizkit's first album to be released since DJ Lethal's departure in May 2012.  After the original line-up reunited in 2009, "Gold Cobra" was released in 2011.  The band left Interscope and signed up with Cash Money Records in February 2012.  The first single "Lightz" was released on October 26, 2012.  After many delays, the second single for the album, "Ready to Go", featuring label mate Lil Wayne was released on April 16, 2013, to positive reviews.  It is the first album since "The Unquestionable Truth (Part 1)" to be produced by Ross Robinson.

Home Sweet Home/Bittersweet Symphony: "Home Sweet Home / Bittersweet Symphony", also known as "Bittersweet Home" is a song by American rock group Limp Bizkit.  It was released in December 2005 as the only single from the compilation album "Greatest Hitz".  The song is a medley of "Home Sweet Home" by Mötley Crüe and "Bitter Sweet Symphony" by The Verve.  It is, along with the songs "Why" and "Lean On Me", the only new content on the "Greatest Hitz" compilation, and is the third cover song Limp Bizkit has released on an album (the others being The Who's "Behind Blue Eyes", and George Michael's "Faith").

Supporting paragraphs: Icon (Limp Bizkit album) Significant Other
Answer: 1999