Question: Louisa Rose Allen, is better known by her stage name Foxes, is a British singer, songwriter and actress, her vocals featured on which Russian-German electronic dance music producer, 2012 single "Clarity"?
Sentence (from "Clarity (Zedd song)"): The song was written by Zedd, Matthew Koma, Porter Robinson and Skylar Grey and released as iTunes Single of the Week on October 2, 2012, and as an EP on February 12, 2013 by Interscope Records.
Relevant evidence: No