Psalms 42:1

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

Maskil : a literary or musical term

Psalms 45:1

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

Maskil : a literary or musical term

Psalms 52:1

Ahimelech : priest (Eli Ithamar) of Nob, whom Saul killed; Ahimelech I,a priest, Ahimelech II; son of Abiathar son of Ahimelech I,a man who was part of David's fugitive band; a Hittite

Doeg : a man from Edom who was chief of Saul's herdsmen

Edomite : resident(s) of the region of Edom
(34° 50´, 39° 7´); (33° 12´, 36° 30´); (35° 5´, 42° 0´); (30° 44´, 35° 36´); (32° 32´, 44° 25´); (33° 31´, 36° 18´)

Maskil : a literary or musical term

Saul : the sixth king of Edom,son of Simeon and a Canaanite woman,son of Uzziah of Kohath son of Levi

Psalms 53:1

David : a son of Jesse of Judah; king of Israel,son of Jesse of Judah; king of Israel

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

Psalms 55:1

David : a son of Jesse of Judah; king of Israel,son of Jesse of Judah; king of Israel

Maskil : a literary or musical term