Since the superscriptions to the Psalter were only very late additions, the question still remains, What was the basis of the late Jewish tradition that makes David the father of the psalm literature, as was Solomon of the wisdom, Moses of the legal, and Enoch of the apocalyptical? The other Old Testament books give no direct answer. They tell us, however, that the warrior king was skilled in playing the lyre, and we are aware that to this, in antiquity, an improvised accompaniment was usually sung. We also have the account of David's touching elegies over the death of Saul and Jonathan and of Abner (II Sam. i., iii. 33, 34). Moreover, the early historical books vividly portray the faults of David, the limitations which he shared in common with his contemporaries, and his deeply religious spirit; but they leave the question of his relation to the Psalter to be settled by the testimony of the individual psalms. Here the evidence is not conclusive. It is clear that many of the psalms attributed by tradition to him were written in the clearer light of later prophetic teaching and amid very different circumstances from those which surrounded Israel's early king. Still it would be dogmatic to assert that nothing from his lips is to be found in the Psalter; and to point out with assurance those passages and psalms which must be Davidic is quite as unwarrantable. [Sidenote: _Evidence of pre-exilic elements in the Psalter_] The Psalter is clearly the repository of that which was best in the earlier spiritual life and thought of the race. While there are no direct references to songs in connection with the pre-exilic Jewish temple, Amos (v. 23) found them in use at the sanctuary at Bethel; and from Psalm cxxxvii. 3, 4 it would appear that the exiles in Babylonia were acquainted with certain _songs of Zion_ or _songs of Jehovah_. Treasured in the hearts of the people, and attributed, perhaps even by the time of the exile, as a whole to David, they constituted the basis of the earliest collections of psalms, which, as we have noted, practically without exception bear the Davidic superscription. The date of each individual psalm, however, must be determined independently on the basis of its own testimony, although the historical allusions are few and the data in many cases are far from decisive. [Sidenote: _Approximate date of the earliest collections_]