Daniel Leech-Wilkinson (1997), "The good, the bad and the boring", Companion to Medieval & Renaissance Music. Oxford University Press. ISBN 0198165404.
Daniel Leech-Wilkinson is a musicologist, who is a Professor of Music at King's College London.
He studied composition, harpsichord and the organ at the Royal College of Music, and then completed an M.Mus at King's College London specialising in 15th-century music. He received his PhD from the University of Cambridge, on the topic of 14th century compositional processes.
Wikipedia
Daniel Leech-Wilkinson (1997), "The good, the bad and the boring", Companion to Medieval & Renaissance Music. Oxford University Press. ISBN 0198165404.