There are at least 2 artists named Markella:
1) Brought up in Greece and Hallingdal, Norway, Markella (Markella Assimakis) makes Nordic synth-based pop with Greek elements in the form of language, folk tones and timbres.
2) Raised in both Greece and Cyprus, Markella (Markella Hadjimitsi) is best known for her time on the well-known and successful talent show "The Voice", where she was chosen by Sakis Rouvas. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.