'Singing men' in the Bible

I am this day eighty years old: and can I discern between good and evil? can thy servant taste what I eat or what I drink? can I hear any more the voice of singing-men and singing-women? why then should thy servant be yet a burden to my lord the king?

And Jeremiah lamented for Josiah: and all the singing men and the singing women have spoken of Josiah in their lamentations to this day, and made them an ordinance in Israel: and behold, they are written in the lamentations.

Besides their servants and their maids, of whom there were seven thousand three hundred thirty and seven: and there were among them two hundred singing-men and singing-women.

Besides their man-servants and their maid-servants, of whom there were seven thousand three hundred and thirty seven: and they had two hundred and forty five singing-men and singing-women.