OT-POET.filter - rsv Ezrahite:

rsv@Psalms:88:1 @ A Songs. A Psalm of the Sons of Korah. To the choirmaster: according to Mahalath Leannoth. A Maskil of Heman the Ezrahite.

rsv@Psalms:89:1 @ A Maskil of Ethan the Ezrahite.