“To the chief Musician upon Shoshannim, for the sons of Korah, Maschil, A Song of loves. My heart is inditing a good matter: I speak of the things which I have made touching the king: my tongue is the pen of a ready writer. Maschil: or, of instruction is inditing: Heb. boileth, or, bubbleth up”
This was a certain tune or an instrument. Of that perfect love that ought to be between the husband and the wife.