Such songs as you used to sing in the temple at Zion; which they required either out of curiosity, or to delight their ears, or rather by way of scoffing and insultation over them, and their temple and religion.
Related Commentaries of Psalms 137:3
Psalms 137:3
3 For there they that carried us away captive required of us a song;a and they that wasted us required of us mirth, saying, Sing us one of the songs of Zion.