Brown Driver Briggs

 Hanani = "gracious"
1. one of the sons of Heman, a chief musician of David, and head of
the 18th course of the service
2. a seer who rebuked Asa, king of Judah, and was imprisoned
  1) maybe, father of Jehu the seer who testified against Baasha
3. one of the priests who in the time of Ezra took a foreign wife
4. brother of Nehemiah whom Nehemiah appointed governor of Jerusalem
5. another priest who was the chief musician under Nehemiah