A classically trained lyric soprano, she is the lead vocalist of symphonic metal band Dark Sarah and previously fronted Amberian Dawn.

[4] A few days after her departure from Amberian Dawn, Parviainen announced that she had started a new musical project called "Dark Sarah".

The album called Behind the Black Veil, will feature several guest musicians such as Manuela Kraller, Inga Scharf (Van Canto) and Kasperi Heikkinen (U.D.O, Merging Flare).

Dark Sarah consists of a band including musicians like: Erkka Korhonen (guitar) (Raskasta Joulua, Northern Kings), Sami-Petri Salonen (guitar), Jukka Koskinen (bass) (Wintersun) and Lauri Kuussalo (drums).

Parviainen has performed with a few other bands in studio, with Eternal Tears of Sorrow on the song "Tears of Autumn Rain" from the album Children of the Dark Waters in 2009, and with Ensiferum on their album Unsung Heroes, providing the choir vocals.