Vocal Solo,Voice - Digital Download SKU: A0.791749 Composed by William Webb. Arranged by Early Music Scores. Baroque,Classical. 2 pages. Early Music Scores #6349629. Published by Early Music Scores (A0.791749). Powerful Morpheus, let thy charms. Composed by William Webb (c.1600-1657). From New York, MS Drexel 4257. Baroque period. Edited by Felipe Dias. 2 pages.