By Ben Ratliff
By Professor John Szwed
By Barry Kernfeld
By ABRSM
By Lucy Moore
By Valerie Wilmer
By Scott Joplin
By Gunther Schuller
By Leonard Feather, Ira Gitler
By Charles Beale
By Berlin, Isaiah, Sir.
By miranda-macquitty
By Elissa Milne
By Priestley, Mr Brian, Fairweather, Digby
By Mathieson, Kenny
By Lee, Peggy
By Various
By Jones, Sir Tom
By Collier, James Lincoln
By Trinity College London
By McVicar, Ewan, Gahagan, John
By Chilton, John
By Martha Mier
By Berton, Ralph
By Roy Pellett
By Bergreen, Laurence
By Kenny Ball, John Bennett, Digby Fairweather