The band consists of Martijn Westerholt (keyboard) and Charlotte Wessels (vocals). Furthermore, the live band consists of Ronald Landa (growling and guitar), Rob van der Loo (bass), and Sander Zoer (drums).
For their first album Lucidity they invited several well known musicians: Marco Hietala from Nightwish and Tarot (bass, vocals), Liv Kristine from Leaves' Eyes (vocals), Ariën van Weesenbeek from ex-God Dethroned, Epica (drums), Ad Sluijter from Epica (guitar), George Oosterhoek (growling) and Guus Eikens, both formers member of Orphanage, Sharon Den Adel from Within Temptation (vocals) and Jan Yrlund (guitar).
Delain's first album Lucidity was to be released April 2006, but was first postponed to the end May and after that to 21 August before it was finally released on 4 September. Samples of their music have been released on their website, and full versions of the songs Sleepwalker's Dream and The Gathering, as well as the music video for the song Frozen. From Lucidity they released the singles Frozen, See Me In Shadow and The Gathering.
At the end of 2007 Delain stated that they intend to release a second album in 2008, so far, the band has begun playing two new songs live: "Stay Forever" & "Start Swimming"
3. Interview with Charlotte Wessels @ La Boule Noire (Paris - 25.01.2008) - From www.metal-ways.com