Psalms 82:2

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

Psalms 7:3

There is no Names related to this verses.

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