There are at least five artists with the name 24K.
The first was a Dutch Hip Hop group, founded in 1989 in Eindhoven. Its original members were rappers Arc S and ENB, and DJs DJ Wan-2 and Zar One. In 1991 Zar One and Arc S left the group and rapper CMC joined. The group dissolved in 1992.
During their existence they released two albums: No Enemies (1990) and Words... Yet Unspoken (1992) and one EP, Twenty Four Ways / Distribution of Drugs (1990). In 1999 No Enemies was reissued and included tracks from the EP. They were signed to Djax Records
The second is a Canadian Melodic Rock band formed by Phil Naro and Mladen. They only released two albums, Pure and Bulletproof, in 1999 and 2001 respectively. From the first track to the last, all the songs are extremely laden with crunching riffs, thundering drums, and bass lines. Catchy chorus's are also a mainstay within this band.
The third is a short lived, Miami Bass trio from Orlando, Florida. They were formed in the early 90's by 95 South and their protege 69 Boyz. Signed on the division of Rip-It Records, they released two singles, "Teenie Weenie" (1994) and "Don't Go There" (1995) which was released on the Dangerous Minds Soundtrack. In 1996, the southern female trio collaborated with Joni, K-Nock, and Quad City DJ's for their first Christmas LP, "All-Star Christmas". The lead vocalist in the group, Denise "Niecy-D" Moore still contributes to the music industry and is a radio host & DJ for Rhythm 96 and Star 94 FM.
The fourth is a US rap artist who released the album Quotable in 2003.
Fifth is an australian electronic artist also known as two4k.