THE LORD. Hebrew JAH, the Eternal, inhabiting eternity. See App-4. The first occurance of this Title: connects it with Redemption.
song. Some codices, with Samaritan Pentateuch and Targum of Onkelos, read "and my song". Figure of speech Metonymy (of Adjunct). App-6. = "He of Whom. sing".
salvation. Compare Psalms 118:14; Psalms 118:2.
GOD. Hebrew. El. See App-4.
God. Hebrew. Elohim. App-4.