en_tn/1ch/16/42.md

cymbals

These are two thin, round metal plates that are hit together to make a loud sound. See how you translated this in 1 Chronicles 13:8. (See: rc://en/ta/man/translate/translate-unknown)

guarded the gate

The implied information is that they were to guard the entrance to the tabernacle. Alternate translation: "guarded the tabernacle gate" (See: rc://en/ta/man/translate/figs-explicit)