Grétar Mar Sigurðsson (born April 14, 1988), known by his stage name and artist name Mar, is an experimental multi-genre artist and musician from Reykjavík, Iceland.
Mar aims to combine various genres and mediums.
He has released two studio albums, SoundEscapes (2013) and Mellows (2014), and a few singles.
When not making music, Mar works as an independent artist, sometimes fusing the two mediums together.
Mar has worked with various Icelandic musicians in different bands and projects, including Two tickets to Japan and Celestine, where he worked with Ólafur Arnalds.