"Eva " is the first single of Finnish symphonic metal band Nightwish's sixth studio album Dark Passion Play. It was the first release to feature the band's new singer, Anette Olzon, following Tarja Turunen's departure in 2005.
Initially the single was only released on the Internet and radio, with the release date to May 30, 2007, together with the revealing of the identity of the new vocalist (Anette Olzon), but due to a leak on May 23, the vocalist identity was revealed on May 24, and the song was released on the 25th. Officially, "Eva" started to play on Finnish radio stations YleX and Radio Rock at 7 AM, May 25, and was available as a download the same day.
All European income from this release were donated to charity (Child Charity Foundation), and the income from Finnish Internet sales were donated to two children's homes in Finland.