I stumbled upon this interesting interview of countertenor Stephen Wallace given on Irish National Radio. Excerpts of his singing, as well as some astute observations on the history of the countertenor voice and technique follow.
Ian Howell is a countertenor based in Boston, Massachusetts. He regularly performs as a concert and operatic soloist all across North America and writes from time to time. He was educated at Yale and Capital Universities, sang with Chanticleer from 2000-04, and is currently a Doctor of Musical Arts student at the New England Conservatory of Music. Follow him on Twitter or Facebook.