The theory that the troubadour custom was created by William immediately after his expertise of Moorish arts when preventing with the Reconquista in Spain has long been championed by Ramón Guyséndez Pidal and Idries Shah. George T. Beech states that there's only one documented battle that William fought in https://alexiscnynz.csublogs.com/37309167/indicators-on-arabic-music-you-should-know