Constantin Floros, Introduction to Early Medieval Notation. Enlarged second edition, revised, translated and with an illustrated chapter on cheironomy by Neil K. Moran. Detroit Monographs in Musicology/Studies in Music 45. Warren, Mich.: Harmonie Park Press, 2005. xxiv+171 pp. $35. ISBN 0 899 90129 8.Barrett, Sam · Plainsong and Medieval Music · 2008