TY - BOOK AU - Hartshorn,William C. AU - Leavitt,Helen Sewall TI - The world of music: Making friends with music. [Teachers' book] PY - 1940///] CY - Boston PB - Ginn KW - Music KW - Analysis, Appreciation KW - Local KW - Manuals, textbooks, etc N1 - 1. The pilot. -- 2. The mentor ER -