The Biographical Encyclopedia comprising 17 volumes (plus one index volume) contains more than 18.000 entries, including over 9.000 composers, more than 2,000 singers and instrumentalists, and more than 1.000 on theorists. Many of these entries are on non-western composers, performers and writers, and more than 500 are on figures from Jazz and popular music. There are also over 500 entries on philosophers and literary figures, not to mention more than 5.000 on instrument makers, publishers, musi...