TY - GEN AU - Bach, Carl Philipp Emanuel AU - Mitchell, William J. TI - Essay on the true art of playing keyboard instruments SN - 9780393097160 AV - MT224 BAC 1959 PY - 1949///] CY - New York : PB - W.W. Norton & Company KW - Musical accompaniment KW - Piano KW - Instruction and study KW - Harpsichord KW - Clavichord KW - Keyboard instruments N1 - Includes bibliographical references ER -