![Professor John Tyrrell](/sites/default/files/styles/speaker/public/speaker-image/Professor%20John%20Tyrrell420x420.jpg?itok=XO-RZL0b)
Professor John Tyrrell
Professor John Tyrrell was a musicologist who published several books on Leoš Janáček, including an authoritative and largely definitive two-volume biography. He also was a Professor of Music at Cardiff University and executive editor of The New Grove Dictionary of Music and Musicians, the largest music lexicography project of the twentieth century.