 In this treatise, a remarkable work written at Evesham and therefore certainly before 1316, according to Riemann before 1300, the author gathered together practically all the knowledge of the theory of music possessed at his time and added some theoretical considerations of his own.Of particular note is his suggestion that, in practice, musicians often favour simple, just tuning of imperfect consonances, such as the major third, over the traditionally held Pythagorean tuning, which was the predominant theoretical framework.For example, Odington writes