Finnforest was a Finnish progressive rock band, formed in 1972, from Kuopio, Finland.
[1][2] The band was established by twins, Pekka (guitar, bass) and Jussi Tegelman (drums), together with Jukka Rissanen (keyboards, synthesiser) and Aaro Mustonen (vocals).
[3] The released a single, "Tyhjyyteen, Syvyyteen" in 1973, soon afterwards Mustonen left and the band started playing instrumental music.
[4] Rissanen left the band, to study classical music in Hungary, before they started recording their sophomore album.
For the band's last recorded album, Demonnights, they added a second guitarist, Jari Rissanen, two saxophonists, Heikki Keskinen and Juhani Aaltonen and a new bass player, Tuomo Helin, and keyboardist Jarmo Savolainen.