The following is the results of your search for Mahalath Maschil.
Mahalath Maschil: In the title of
(Psalms 53:1) denoting that this was a didactic psalm,
to be sung to the accompaniment of the lute or guitar. Others regard
this word "mahalath" as the name simply of an old air to which the
psalm was to be sung. Others, again, take the word as meaning
"sickness," and regard it as alluding to the contents of the psalm.