There is more than one artist with this name:

(1) Trance & Chillout production team from Germany known for "Would You Like To Seduce Me" and "Burning Flame".
(2) Female vocalist Krystal Harris from the US, known for "Supergirl", which appeared on the soundtrack to the 2001 motion picture The Princess Diaries.
(3) German Trance project from Manuel "DJ Manian" Reuter & Yann "Yanou" Peifer, known for "Eternity".
(4) A Reggae artist known for "All Around The World" and "Twice My Age".
(5) A Canadian rock band, Krystal, who released their debut Plug This! in 1994.
(6) Latvian electro/dubstep band.
(7) 크리스탈 is currently the lead vocalist and the group's maknae of the Korean quintet girl group f(x). Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.