He doesn't want musicians to rehearse like government workers at their jobs every day (professional orchestras in the U.S. rehearse no more than five times for each performance) but he doesn't permit tardiness or absence without good reason.
他鑑於美國職業樂團每場演出不超過五次排練的標準，並不要樂手們像公務員上班一樣經常排練，卻不准無故遲到、缺席。