From http://www.theosony.com : Nóirín Ní Riain (born 1951, Caherconlish, County Limerick) is an Irish singer, writer, teacher, theologian and an authority on Gregorian Chant (plainsong). She is primarily known for spiritual songs, but also sings Celtic music, Sean nós and Indian songs. Nóirín plays an Indian harmonium (Surpeti) and Shruti box. She was Artist-in-Residence for Wexford and Laois. Recently performing with her sons Eoin and Mícheál under the name A.M.E.N.