en_tn/psa/077/001.md

General Information:

Parallelism is common in Hebrew poetry. (See: rc://en/ta/man/jit/writing-poetry and rc://en/ta/man/jit/figs-parallelism)

For the chief musician; after the manner of Jeduthun. A psalm of Asaph

This is a superscription that tells about the psalm. Some scholars say that this is part of the scripture and some say that it is not. (See "What are Superscriptions in Psalms" in Introduction to Psalms.)

For the chief musician

"This is for the director of music to use in worship"

Jeduthun

One of David's chief musicians had this same name. This may refer to him. See how you translated this in Psalms 39:1. (See: rc://en/ta/man/jit/translate-names)