Enaid is a Celtic new age quartet formed by David Arkenstone (keyboards, guitar, mandolin, percussion), Diane Arkenstone (vocals, keyboards), Don Markese (flute, pennywhistle) and Joel Derouin (violin). They released "Avalon: A Celtic Legend" in 2002. Composed and produced by Diane and David, this album features lush soundscapes, enjoyable melodies, and a certain cinematic sweep.