MUSIC SOUNDED OUT
By Alfred Brendel.
Farrar, Straus.
258 pp. $25

MUSIC AS CULTURAL PRACTICE 1800-1900.
By Lawrence Kramer. Univ. of Calif. 241pp. $24.95

MUSIC AND THE HISTORICAL IMAGINATION.
By Leo Treitler. Haward. 352 pp. $35

MUSIC AND DISCOURSE: Toward a Semiol-
ogy of Music. By Jean-Jacques Nattiez. Trans.
By Carolyn Abbate. Princeton. 272 pp. $45