Äio is a release from Estonian folk metal band Metsatöll, released worldwide in 2010 on Spinefarm Records. It features heavy use of traditional instruments such as the lokulaud, torupill, kannel, and angipill, in addition to the typical metal band instrumentation (electric guitars, bass, drums, etc.)

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Quick Facts Äio, Studio album by Metsatöll ...

Äio
Studio album by Metsatöll
Released	March 3, 2010
Recorded	August–September 2009
Genre	Folk metal, heavy metal
Length	59:44
Label	Spinefarm
Producer	Metsatoll
Metsatöll chronology
Iivakivi (2008) Äio (2010) Ulg (2011)

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In the May 2010 issue of Terrorizer magazine, writer James Hoare spoke with vocalist/piper Lauri "Varulven". Lauri is quoted as saying "No other countries have such good researchers of traditional culture and folklore than among oppressed peoples." Hoare also went on to praise the release, giving special note to the choir; the Estonian National Male Choir participated on the track "Ema hääl kutsub".

• Produced by Metsatöll
• Recorded and engineered by Mikko Karmila (drums) and Kristo Kotkas (vocals, guitars, bass, choir)
• Mixed by Mikko Karmila
• Mastered by Mika Jussila

• Recording & Personnel Information on Metsatoll's website, in English Retrieved 7/04/2010
• English Translations For Song Titles Retrieved 07/04/2010