. . . . "Kalle Mattson (born Kalle Mattson Wainio, September 21, 1990 in Sault Ste. Marie, Ontario) is a Canadian singer-songwriter based in Ottawa, Ontario, Canada. In 2014 his album Someday, The Moon Will Be Gold was nominated for the 2014 Polaris Music Prize, which is awarded annually to the best full-length Canadian album based on artistic merit, regardless of genre, sales, or record label."@en . . . "2009Z"^^ . "1990-09-21Z"^^ . . . . "Canadian singer" . . "Kalle Mattson"@en . . "solo_singer" . . . . . "Mattson, Kalle"@en . "1990Z"^^ . .