1. Psalms 9 and 10 together follow an acrostic pattern, each stanza beginning with the successive letters of the Hebrew alphabet. In the Septuagint they form one psalm
 To the choirmaster: according to Muth-labben.
2. Probably a musical or liturgical term
 A Psalm of David. I will give thanks to the Lord with my whole heart; I will recount all of your wonderful deeds. (Ps 26,7; Ps 40,5; Ps 96,3; Ps 105,5)2 I will be glad and exult in you; I will sing praise to your name, O Most High. (Ps 5,11; Ps 7,17; Ps 83,18)3 When my enemies turn back, they stumble and perish before
1. Or because of
 your presence.4 For you have maintained my just cause; you have sat on the throne, giving righteous judgment. (Ps 29,10; Ps 140,12)5 You have rebuked the nations; you have made the wicked perish; you have blotted out their name forever and ever. (5Mo 9,14; 5Mo 29,20; Ps 68,30; Spr 10,7)6 The enemy came to an end in everlasting ruins; their cities you rooted out; the very memory of them has perished.7 But the Lord sits enthroned forever; he has established his throne for justice,8 and he judges the world with righteousness; he judges the peoples with uprightness. (Ps 58,11; Ps 96,10; Ps 96,13; Ps 98,9)9 The Lord is a stronghold for the oppressed, a stronghold in times of trouble. (2Sam 22,3; Ps 10,1; Ps 10,18; Ps 74,21; Spr 18,10)10 And those who know your name put their trust in you, for you, O Lord, have not forsaken those who seek you. (Ps 91,14)11 Sing praises to the Lord, who sits enthroned in Zion! Tell among the peoples his deeds! (Ps 76,2; Ps 77,12; Ps 107,22)12 For he who avenges blood is mindful of them; he does not forget the cry of the afflicted. (1Mo 9,5; 1Kön 21,17; Ps 9,18; Ps 10,12; Ps 10,13; Ps 12,5)13 Be gracious to me, O Lord! See my affliction from those who hate me, O you who lift me up from the gates of death, (Hi 38,17; Ps 4,1)14 that I may recount all your praises, that in the gates of the daughter of Zion I may rejoice in your salvation. (1Sam 2,1; 2Kön 19,21; Ps 13,5; Ps 20,5; Ps 21,1; Ps 35,9; Jes 37,22)15 The nations have sunk in the pit that they made; in the net that they hid, their own foot has been caught. (Hi 18,8; Ps 7,15)16 The Lord has made himself known; he has executed judgment; the wicked are snared in the work of their own hands.
1. Probably a musical or liturgical term
 (2Mo 7,5; 2Mo 14,4)17 The wicked shall return to Sheol, all the nations that forget God. (1Mo 3,19; Hi 8,13; Ps 50,22; Jes 51,13)18 For the needy shall not always be forgotten, and the hope of the poor shall not perish forever. (Spr 23,18; Spr 24,14)19 Arise, O Lord! Let not man prevail; let the nations be judged before you! (Ps 3,7; Ps 10,18)20 Put them in fear, O Lord! Let the nations know that they are but men! (Ps 9,19)