Arise. Figure of speech Anthropopatheia.
redeem. deliver. Hebrew. padah, See notes on Exodus 6:6; Exodus 13:13.
mercies. = mercy's, or lovingkindness.
To the chief Musician. See App-64. Written by Hezekiah for his special circumstances; but on account of verses: Psalms 44:1-8 was handed over for general use at the Feast of the Passover. See note below.
upon. relating to, or concerning.
Shoshannim. Lilies. Put by Figure of speech Metalepsis for "Spring", and "Spring" put for the great spring festival, the Passover. See App-65.