There are multiple artists with this name: 1) Marielle is an up and coming artist from Bergen, Norway. She sings country-latino, pop, and rock. She writes music on her own, as well as receiving lyrics from a man that is in and out of a mentalhospital (he’s good). The music she writes is celtic-influenced. She has worked with Ephemera.
2) Crafted by the hands of the south, Marielle is a alternative band from from Shreveport, Louisiana composed of: singer Brett Veuthey, guitarist Andrew Garcia, keyboardist Richard Smart, bassist Matthew McKee and drummer Chase Reneau.

Read more about Marielle on Last.fm.