Editor-in-chief: Laurence Libin

• Over 8000 entries on musical instruments, instrument makers, classification systems, performance techniques, and the cultural practice and meaning of instruments

• An authoritative source in the field of organology and the study of the world's music

• Over 700 images and musical examples

• Critical bibliographies and suggestions for further reading

• Cross-references and an analytical index

• Over 1400 brand new articles
• New articles on developing areas and trends in organology scholarship
• Expanded content in the areas of American musical instruments and makers, instruments from all parts of the world, electronic and experimental instruments, the body as instrument, and practical concerns relating to instrument making and performance
• New list of instrument collections, in collaboration with Musical Instrument Museums Online (MIMO), to aid with locating important examples