" ... The only source dedicated to music from 1900 to 1965. Plus its extensive coverage of 78s puts you in line for vintage-vinyl collecting success. Inside you'll find: 30,000 individual recordings; 9,000 price changes; 7,500 recording artists with 900 first-time listings!; 1,600 label photos including 200 additions ... ; 78s, 45s, EPs and LPs; four major categories (jazz, big band; country Western; blues; R & B, rock 'n' roll); all-inclusive artist index ..."--Back cover.