High Quality Content by WIKIPEDIA articles! Juha Harri "Junnu" Vainio, also known as Juha "Watt" Vainio (10 May 1938 in Kotka, Finland – 29 October 1990, Gryon, Switzerland) was a Finnish lyricist, singer, composer and teacher. With the lyrics or music to over 2,400 songs to his name, Vainio is as one of Finland`s most prolific lyricists along with Reino Helismaa and Vexi Salmi. Vainio enjoyed a short professional career as a teacher at Kymenranta Primary School.