Septuagint

LXX Psalm 143:9

Septuagint

7 Send forth thine hand from on high; rescue me, and deliver me out of great waters, out of the hand of strange children; 8 whose mouth has spoken vanity, and their right hand is a right hand of iniquity. 9 O God, I will sing a new song to thee: I will play to thee on a psaltery of ten strings. 10 Even to him who gives salvation to kings: who redeems his servant David from the hurtful sword. 11 Deliver me, and rescue me from the hand of strange children, whose mouth has spoken vanity, and their right hand is a right hand of iniquity;

Date: 1st Century B.C.E.
* Dates are based on scholarly estimates
Pseudepigrapha

Psalms of Solomon 3:1

1 Why am I sleeping, and not praising the Lord? Strum a new song to God who is worthy to be praised. 2 Keep on strumming and keep awake for he is awake. For a good psalm to God comes from a good heart. 3 The Lord is on the mind of the righteous through everything by recognizing and proving that the Lord's judgments are right.

Date: 80-30 B.C.E.
* Dates are based on scholarly estimates