אֱֽלֹהִ֗ים שִׁ֣יר חָ֭דָשׁ אָשִׁ֣ירָה לָּ֑ךְ בְּנֵ֥בֶל עָ֝שׂ֗וֹר אֲזַמְּרָה־לָּֽךְ׃
O God, I will sing a new song unto Thee, Upon a psaltery of ten strings will I sing praises unto Thee;
Read kabbalistic (mystical) interpretation of Psalms 144:9: and classical mystical sources.