His most recent solo full-length Dualizm, released in 2005, featured collaborations with John Foxx, Nick Triani, Tiga, Jerry Valuri, and José González.
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Internationally, Hulkkonen's most popular recording is the single Sunglasses at Night, a version of Corey Hart's 1980s hit, created together with Canadian producer Tiga.
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He has also featured his own radio shows on Finnish stations Radiomafia and YleX.