Psalms 44:1 Kabbalah

לַמְנַצֵּ֬חַ לִבְנֵי־קֹ֬רַח מַשְׂכִּֽיל׃

For the Leader; [a Psalm] of the sons of Korah. Maschil.

Read kabbalistic (mystical) interpretation of Psalms 44:1: and classical mystical sources.