Wolfgang Amadeus Mozart (27 January 1756 – 5 December 1791), baptised as Johannes Chrysostomus Wolfgangus Theophilus Mozart, was a prolific and influential composer of the Classical period. Wikipedia, Mozart

Hughes
schools on the hill of Sion—'out of Sion hath God appeared in perfect beauty.' So long as this principle was recognised in musical academies, there were composers of the highest class; devoid of it, the highest order of compositions disappeared." "Power over music does not depend solely on the mere agreement of 'how to do it.' The student in song will never learn the perfection of beauty except from the preparation of the heart. To make a real musician, there must be a sense of the ever-presence of the Creator of all beauty. The boy-musician must begin his day with prayer, and end it with praise. This made Handel, Bach, Haydn, and Mozart. Music is neither dram nor sweetmeat, neither sensual nor intellectual. It is made so now; but in this order of music there is neither joy nor love, thankfulness nor reverence." [Harmonies of Tones and Colours, Fragments from Dr. Gauntlett's Last Note-book, page 51]