Sosié, aka Susanna Hyvärinen, is a singer-songwriter, music producer & actor, from Helsinki Finland. Her music can be described as melodic Scandi-pop. Sosié composes, writes and produces her own music. Her newest single Pink and Yellow was released on 12th June 2020 and was featured in Spotify's New Music Friday Suomi playlist and got it's first radio play in a German radio channel JUKA-radio.

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Sosiés first EP All Lies was released in Fall 2019 and was produced together with Vesa Lappalainen 

(Winning Team). She has been touring around Finland as the Featuring Artist of Röyhkeyskoulu Show with Jenni Janakka, and was the sound designer, composer and Featuring Artist of the theatre version of the show Röyhkeyskoulu – Kuka mun päässä puhuu?.