There are many artists with this name: 1) An experimental/glitch project of Alejandro Ghersi, a Venezuelan producer who previously went under the name Nuuro. His albums under the name Arca include: Stretch 1, Stretch 2 (released 2 giveaways on UNO) and the 2013 mixtape &&&&&. His debut album 'Xen' was released in November 2014 on Mute Records. He has also been credited for his writing/producing efforts on Kanye West's album Yeezus. http://soundcloud.com/arca-2 Read more about Arca on Last.fm.