For there our captors asked us for songs, our tormentors demanded songs of joy; they said, "Sing us one of the songs of Zion!"
NIV
For there they who led us captive required of us a song with words, and our tormentors and they who wasted us required of us mirth, saying, Sing us one of the songs of Zion.
AMP
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.
KJV