harmonist (n.)youdaoicibaDictYouDict[harmonist 词源字典]
1742, "one skilled in musical harmony," from harmony + -ist. Also "writer who 'harmonizes' the parallel narratives of the Gospel" (1713) and "member of a communistic religious movement in Pennsylvania" (1824). From the former comes harmonistics (1859).[harmonist etymology, harmonist origin, 英语词源]