It reached number 4 on the Billboard 200 and was certified gold by the RIAA on July 21, 2001.
In 2001 Redman released his fifth studio album Malpractice. Originally, the record was supposed to be advertised as "Amerika's Most Blunted", but it was changed to the more commercially friendly title Blackout!. In 1999, Method Man and Redman released a collaborative album called Blackout!. With his new formed close partnership with labelmate Method Man who, with him, made a featured appearance on the Doc's Da Name 2000 record on the song "Well All Rite Cha". It peaked at number 11 on the Billboard 200 and had three songs ("I'll Bee Dat", "Da Goodness", "Let Da Monkey Out") that charted. His fourth studio album Doc's Da Name 2000 was a top seller, shipping platinum in sales and exceeding his previous record of gold. In 1998 Redman released his first collaboration album El Nino with group Def Squad. Redman ( left) has collaborated with Method Man ( center) on two full-length albums and Erick Sermon ( right) as a member of the Def Squad. In 1999 Redman took part in the Hard Knock Life Tour, including a stop in Toronto at the Air Canada Centre. During this time, with new found friendships with Method Man and Tupac, they both appeared on Tupac's double album All Eyez on Me on the song "Got my Mind Made Up". The album was certified gold by the Recording Industry Association of America (RIAA) on February 12, 1997. The song "Do What You Feel" appeared on the soundtrack to the video game Grand Theft Auto: Liberty City Stories. The album featured two of his Billboard 's hit singles: " Whateva Man" and "It's Like That (My Big Brother)".
On December 10, 1996, Redman released his third album Muddy Waters, which was highly praised by critics. Redman has said that he was on drugs during the recording of the album, and said in 2010 that he doesn't play the album in recent years because it was made during one of the dark times in his life. The album was certified gold by the Recording Industry Association of America. The album debuted at 13 on the US Billboard 200. Redman released his second studio album, Dare Iz a Darkside on November 22, 1994, by Def Jam Recordings. In 1992, Redman appeared in A Tribe Called Quest's " Scenario" music video. During this time he used former mentor Erick Sermon to produce his records, including "Pick It Up" and "Whateva Man" from Muddy Waters. Redman's second album was notable for having most of the tracks produced by the artist himself (later on Redman would let other producers make most of his beats). The first single, " Rockafella", samples Leon Haywood's "I Want'a Do Something Freaky to You" and George Clinton's " Flash Light", two of the most sampled songs in hip hop. Redman followed this up with his 1994 album, Dare Iz a Darkside. He was named "Rap Artist of the Year" by The Source. The album peaked at number forty-nine on the Billboard 200 and was certified gold. In 1992, Redman released his debut album, Whut? Thee Album, which AllMusic noted for blending "reggae and funk influences" with a "terse, though fluid rap style". In 1990, Redman made his official debut on EPMD's album Business as Usual, appearing on the tracks "Hardcore" and "Brothers on My Jock". Whut? Thee Album & Dare Iz a Darkside (1990–1995) After this, Redman was an official rap artist and began production with Erick Sermon on his first major label album, Whut? Thee Album. He freestyled a song describing himself as a rapper using every letter in the alphabet, from A to Z. In 1990 at an EPMD show in New York, Redman was invited onstage by Erick Sermon where he delivered a rap freestyle that changed his life. While on tour with the group he did everything from carrying the group's bags to coming out on stage and doing rap freestyles. He moved right into my apartment." After moving in with Erick Sermon, Redman went out on tour with EPMD. And within the next two or three months, he moved to Long Island, to my crib. Erick Sermon said when he met Redman for the first time, "I knew there was something spectacular about him. Redman was eventually discovered by Erick Sermon of EPMD while he was a DJ for Lords of the Underground. He freestyled over funk and hip hop instrumental tracks on vinyl records in various parks and house parties around New York and New Jersey.
Two years later, at age 18, Redman was a young DJ-MC who went by the name "DJ Kut-Killa". Having no other options, Redman then went back home to live with his mother, Darlene Noble, who eventually kicked him out of her house for selling cocaine. In 1987, Redman was expelled from Montclair State University his freshman year due to poor academic performance at age 16. Raised in Newark, New Jersey, Redman attended Speedway Avenue School and 13th Avenue School before attending West Side High School, an experience he described as "off the hook".