Psalms 88:1-16

Ezrahite : a descendant of Ezrah

Korah : a man who led a rebellion against Moses and Aaron.,son of Esau and Oholibamah,son of Eliphaz son of Esau,son of Izhar son of Kohath son of Levi,son of Hebron of Judah,son of Izhar (Amminadab) son of Kohath son of Levi

Leannoth : possibly a tune: 'The Suffering of Affliction' (NIV marg)

Mahalath : daughter of Ishmael; wife of her cousin Esau,grand-daughter of David; wife of Rehoboam,a musical term (perhaps 'a sad tone' NASB marg.)

Maskil : a literary or musical term

Pit : the place of the dead

pit : the place of the dead

Selah : a musical notation for crescendo or emphasis by action (IBD)
(30° 19´, 35° 27´)

Sheol : the place of the dead