1. The designation “Psalms”, which is found in the NT (Lk 20:42; Acts 1:20; 13:33), goes back to the LXX, which uses ψαλμοί as the title of the Book of Psalms, to which no general title is given in the Hebrew. ψαλμός corresponds, no doubt, to the Hebrew Tfnţa, which is the title prefixed to 57 psalms and means “song” (to the accompaniment of the lyre). The 150 psalms are divided into five books, where the va…