Abinadab ... Uzzah and Ahio

David and all Israel

Here the word "all" is a generalization. AT: "David and all of the Israelites who were present" (See: rc://en/ta/man/translate/figs-hyperbole)

"singing while playing stringed instruments"

hand drums with pieces of metal around the side that sound when the instruments are shaken (See: rc://en/ta/man/translate/translate-unknown)

two thin, round metal plates that are hit together to make a loud sound (See: rc://en/ta/man/translate/translate-unknown)