Since the setting up till October 2005, NIGHTWISH members were:
Tuomas Holopainen, songwriter and
lyrics (keyboards, piano)
Tarja Turunen (front-leader vocal)
Marco Hietala (bass and vocals)
Emppu Vuorinen (lead guitar)
Jukka Nevalainen (drums)

For the time being, Nightwish are : Tuomas, Emppu, Jukka, Marco