In between Tori Amos and Neon Horse who is a classically trained musician with a mezzo-soprano vocal range?
Tori Amos: Tori Amos (born Myra Ellen Amos, August 22, 1963 ) is an American singer-songwriter, pianist and composer. Tori Amos:  She is a classically trained musician with a mezzo-soprano vocal range. Neon Horse: Neon Horse was an American rock band from Los Angeles, California, formed by Mark Salomon, Jason Martin and Steven Dail.
Tori Amos