Karri Timo Mikael Siren,professionally known as Karri Koira, is a Finnish rapper, R&B artist and producer. 　　While the album leans more towards R&B than rap, Karri Koira has said that it is all part of natural evolving, not a chosen decision.K.O.I.R.A. peaked at number six on the Official Finnish Albums Chart.Four singles with accompanying music videos have been released from the album; "Amerikankotka liitää" featuring an appearance by Ruudolf, "Kaikki tai ei mitään", "H-Kaupunki" and "Lähe mun kaa". The fourth single is the first to appear on the Official Finnish Singles Chart, where it debuted at number 14 on 25 January 2013.