Rodney Stenning Edgecombe: "It had been [Frederick] Ashton's good fortune to have Constant Lambert as his mentor in his early career, but his later years were dominated by a musical butcher called John Lanchbery." The Edinburgh Companion to Shakespeare and the Arts edited by Mark Thornton Burnett, Adrian Streete, Ramona Wray. Edinburgh University Press, 2011: page 211