harp: Kaithros in Arabic kitharat, Greek κιθαρα, the guitar.
sackbut: Sabbecha σαμβυκη, sambuke, a kind of harp.
psaltery: Pesanter, ψαλτηριον, a stringed instrument struck with a plectrum; probably similar to what is called a psalterium in Egypt, which Hasselquist describes as a large oblique triangle, with two bottoms two inches from each other, and about twenty catguts of different sizes.
dulcimer: Soomphanya probably the same as the Talmudic סמפון [Strong's H5481], a pipe.
ye fall: Luk 4:7-8
well: Dan 3:17; Exo 32:32; Luk 13:9
and who: Dan 3:28-29, Dan 6:16, Dan 6:20; Exo 5:2; 2Ki 18:35; 2Ch 32:15-17; Isa 36:20, Isa 37:23; Mat 27:43
we are: Mat 10:19; Mar 13:11; Luk 12:11, Luk 21:14-15; Act 4:8-12, Act 4:19, Act 5:29, Act 6:15; Act 24:10-13