NET
3 for there our captors ask us to compose songs; those who mock us demand that we be happy, saying: “Sing for us a song about Zion!”
Darby
3 For there they that carried us away captive required of us a song; and they that made us wail [required] mirth, [saying,] Sing us [one] of the songs of Zion.
KJV
3 For there they that carried us away captive required of us a song; and they that wasted us [required of us] mirth, [saying], Sing us [one] of the songs of Zion.