S.T.F. - A Japanese trance group consisting of 5 DJ's (DJ Kaya, DJ Tora, DJ You, DJ UTO and DJ Kyosuke). DJ Kyosuke passed away in Feb. 2008 at age 31 and was replaced by DJ Yagi who took over his spot on the team. Majority of S.T.F.'s music is usually found on Avex compilation albums. Keen - A Swedish vocalist from Sonar Music group who has collaborated many times with S.T.F., usually with DJ Kaya. Most of her tracks have been club anthems throughout Japan and have been big hits with many of the record labels (mainly Avex Group). Read more on Last.fm