1556 - 1615 Hymnal Number: 5942 Composer of "CALVISIUS (ACH BLEIB BEI UNS)" in Small Church Music Seth Calvisius Originally named Seth Kalwitz, Calvisius (b. Gorsleben, Thuringia, Germany, 1556; d. Leipzig, Germany, 1615) became known as the leading music theoretician of his time. He was educated at the universities of Helmstedt and Leipzig and spent much of his life teaching and writing about music history and theory. He taught at the Fürstenschule in Schulpforta from 1582 to 1594 and at the University of Leipzig from 1594 until his death. He also served as cantor at several churches. In addition to his theoretical work, Calvisius wrote psalm and hymn tunes and anthems, and he edited the first hymn book published in Leipzig, Harmonia cantionum ecclesiasticarum (1597).
Bert Polman
Seth Calvisius