IIMP draws its current content from more than 350 international music periodicals from over 20 countries, and also indexes feature music articles and obituaries appearing in The New York Times and The Washington Post. IIMP covers nearly all aspects of the world of music, from the most scholarly studies to the latest crazes. Every IIMP record in the current coverage (1996 forward) contains an abstract.
Pro Sound Effects (PSE) was founded in 2004 by Douglas Price and is based in New York City. The company provides sound effects resources to the ever-expanding universe of media producers. Its continually growing library currently contains more than 120,000 sound effects. -- PSE website (viewed July 18, 2013).
An integrated music resource on the web, this database comprises the full text of The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell (London, 2001), The New Grove Dictionary of Opera, edited by Stanley Sadie (London, 1992), and The New Grove Dictionary of Jazz, second edition, edited by Barry Kernfeld (London, 2002).
"Naxos Music Library is the most comprehensive collection of classical music available online. It includes the complete Naxos, Marco Polo and Da Capo catalogues of over 170,000 tracks, including Classical music, Historical recordings, Jazz, World, Folk and Chinese music. Whilst listening, users can read notes on the works being played as well as biographical information on composers or artists in Naxos's extensive database"--FAQ page.