Jeffrey JohnsonJEFFREY JOHNSON is Associate Director of Artistic Education and Chair of the Music Theory Department at the renowned Boys Choir of Harlem. He has degrees in musical composition from Boston University, Eastman School of Music, and Ithaca College. He i an active composer, conductor, and theorist. His first book, Thesaurus of Abstract Musical Properties was published by Greenwood Press in 1995. Read More Read Less