Amduscias

Causes any manner of music to be played.  Causes trees to bend at will.  Brings excellent familiars.

This demon is said to first manifest in the form of a unicorn.  According to Wierus's Pseudomonarchia Daemonum, he can also take the form of a man.  He has the power to cause trees to bend and sway, and he can also conjure a host of musical instruments that play invisibly on their own.  In Scot's Discoverie of Witchcraft, he is accorded the rank of duke and is said to rule over a total of twenty-nine legions.  He is one of the seventy-two demons of the Goetia; and in the Goetia of Dr. Rudd, he is said to be constrained by the angel Eiael.  his name is alternatively spelled Ambucias and Amdusias.  He also appears as a duke with twenty-nine legions in the Welsh grimoire known as the Book of IncantationsSee also BOOK OF INCANTATIONS, GOETIA, RUDD, SCOT, WIERUS.
THE DICTIONARY OF DEMONS, REVISED AND EXPANDED, M. BELANGER (2021)