Mavie Marcos (born April 29, 1978) is an American singer and songwriter. As part of Andain, Mavie has written songs in partnership with Josh Gabriel since 2001, better known for their early singles "Summer Calling" (2002) and "Beautiful Things" (2003), and the 2012 debut album You Once Told Me. As of July 10, 2014, Mavie has also signed with Black Hole to start off the production of a solo album.