Indeed, music was so important to the worship of God that singers were relieved of other temple duties in order to concentrate on their profession. ​ — 1 Chronicles 9: 33.
(‏ ١ اخبار الايام ٢٣ :‏ ​ ٤ ،‏ ٥ ؛‏ ٢٥ :‏ ٧‏ )‏ ولا شك ان هؤلاء المرنمين كانوا يتمرنون باجتهاد .‏