They became ever more successful and signed to Warner Music Group in 2000. By then they had release several indie singles include their EP "Underline No. 5" and "Mata Au Hi Made" which had received the help of Fantastic Plastic Machine. "Mata Au Hi Made" was released on Warner Music Group's Indies label. Their first major single was "Stepper's Delight" released 22 March 2001. The title was a play on The Sugarhill Gang's "Rapper's Delight".
In summer 2008, they released Taiyou to Bikini, their only single that year. Later that year, three digital singles would debut, all of which would be on the February 2009 single STAIRS. Rip Slyme released their eighth album, JOURNEY, on June 10th, 2009.
Rip Slyme has provided voiceover work as well as the ending theme for the Japanese dub of SpongeBob Squarepants. The episode aired on May 6th, 2009.