The American harmony, or Universal psalmodist [microform] : Containing a choice and valuable collection of psalm and hymn-tunes; canons and anthems; with words adapted to each tune. The whole composed in a new and easy taste, for two, three and four voices; in the most familiar keys and clifts:--calculated to promote and improve this most excellent part of social worship; and render it both useful and delightful; in quires, as well as in congregations in the country. / By A. Williams, teacher of psalmody, in London. ; To which is added, a variety of favourite hymn tunes and anthems; collected from the latest and most celebrated authors; carefully set in score, and neatly engraved