Scofield Reference Notes, 1917 EditionPsalms 4

Neginoth Neginoth: stringed instruments mentioned in connection with Psalms 3.; 5. 43.; 54.; 60.; 66.; 75., where it seems clear that the musical directions now appearing as titles of Psalms 4.; 6.; 54.; 55.; 61.; 67.; and 76., were anciently appended to the preceding Psalms.

trust (See Scofield "Psalms 2:12").