To the chief Musician
natsach (naw-tsakh')
to glitter from afar, i.e. to be eminent (as a superintendent, especially of the Temple services and its music)
to Jeduthun
Yduwthuwn (yed-oo-thoon')
laudatory; Jeduthun, an Israelite -- Jeduthun.
A Psalm
mizmowr (miz-more')
instrumental music; by implication, a poem set to notes -- psalm.
of David
David (daw-veed')
loving; David, the youngest son of Jesse -- David.
Truly my soul
nephesh (neh'-fesh)
a breathing creature, i.e. animal of (abstractly) vitality; used very widely in a literal, accommodated or figurative sense (bodily or mental)
waiteth
duwmiyah (doo-me-yaw')
stillness; adverbially, silently; abstractly quiet, trust -- silence, silent, waiteth.
upon God
'elohiym (el-o-heem')
angels, exceeding, God (gods)(-dess, -ly), (very) great, judges, mighty.
from him cometh my salvation
yshuw`ah (yesh-oo'-aw)
something saved, i.e. (abstractly) deliverance; hence, aid, victory, prosperity -- deliverance, health, help(-ing), salvation, save, saving (health), welfare.