37 Heb “do not destroy.” Perhaps this refers to a particular style of music, a tune title, or a musical instrument. These words also appear in the heading to Pss 58–59, 75.
38 The precise meaning of the Hebrew word מִכְתָּם (miktam), which also appears in the heading to Pss 16, 56, 58–60 is uncertain. defines it as “inscription.”
39 According to the superscription, David wrote this psalm on the occasion when he fled from Saul and hid in “the cave.” This probably refers to either the incident recorded in 1 Sam 22:1 or to the one recorded in 1 Sam 24:3.

In other versions

To the choirmaster: according to Do Not Destroy. A Miktam of David, when he fled from Saul, in the cave.

For the director of music. To the tune of “Do Not Destroy.” Of David. A miktam. When he had fled from Saul into the cave.

For the choir director: “Do Not Destroy.” A Miktam of David. When he fled before Saul into the cave.

For the choir director: A psalm of David, regarding the time he fled from Saul and went into the cave. To be sung to the tune “Do Not Destroy!”

For the music director, according to Do Not Destroy.

Of David. A miktam.

When he fled from Saul into the cave.

To the chief Musician, Al-taschith, Michtam of David, when he fled from Saul in the cave.

Public Domain