Hard Trance

1) John O'Callaghan is an Irish DJ, mainly producing electronic music. He also produces music under the alias of Joint Operations Centre, Mannix and Stenna. He has also collaborated with fellow Discover artists such as Bryan Kearney, Neal Scarborough (as Inertia), Thomas Bronzwaer (as Lost World) and Greg Downey. His best known track is Big Sky, done with vocalist Audrey Gallagher, formerly of the 90's alt-rock band Scheer.

David Holmes (born February 14, 1969) is a Northern Irish DJ, musician and composer.
The youngest of 10 children, Holmes began DJing in the pubs of his native Belfast from the age of 15. His first hit was the song "DeNiro", with Ashley Beedle, in 1992. In the early to mid 1990s he ran two highly acclaimed and successful club nights in the Belfast Art College known as Sugar Sweet and Shake Yer Brain. Famously, the dance group Orbital wrote the track "Belfast", released on their debut album Orbital, after playing at Sugar Sweet.

Skazi is an Israeli trance band, producing a unique style of full-on psychedelic trance music since 1998. Their first trance album Animal, released in September 2000 was revolutionary in its sound & direction. Coming from a punk and hardcore scene, Skazi brought a new and innovative twist to trance, combining electronica with live guitar riffs & storming sounds. In March 2002 Skazi released their second album, Storm, followed by Total Anarchy in the summer of 2006.

Cosmic Gate is a German trance, progressive trance and hard trance duo made up of Claus Terhoeven (aka Nic Chagall) and Stefan Bossems (DJ Bossi). They are best known for their singles "Exploration of Space", "The Drums", and "The Truth." Cosmic Gate has done remixes for popular DJs including Dj Tiesto, Armin van Buuren, and Ferry Corsten. Cosmic Gate's heavy, analogue trance sound is considered by many to be the definition of hard trance. Discography Albums: * Rhythm & Drums (2001)
* No More Sleep (2002)