"Once by Nightwish" is a heavy metal CD released in 2004 by the artist Nightwish. The album features songs that showcase the band's unique blend of symphonic and power metal sounds, with lyrics that touch on themes of love, loss, and fantasy. Produced by RdM Italy/Road Runner UK, the CD format allows fans to enjoy the captivating melodies and intense instrumentation of Nightwish in the comfort of their own home.