137:1 By the waters of Babylon,
there we sat down and wept,
when we remembered Zion.
2 On the willows  there
we hung up our lyres.
3 For there our captors
required of us songs,
and our tormentors, mirth, saying,
“Sing us one of the songs of Zion!”
4 How shall we sing the Lord's song
in a foreign land?
5 If I forget you, O Jerusalem,
let my right hand forget its skill!
6 Let my tongue stick to the roof of my mouth,
if I do not remember you,
if I do not set Jerusalem
above my highest joy!
7 Remember, O Lord, against the Edomites
the day of Jerusalem,
how they said, “Lay it bare, lay it bare,
down to its foundations!”
8 O daughter of Babylon, doomed to be destroyed,
blessed shall he be who repays you
with what you have done to us!
9 Blessed shall he be who takes your little ones
and dashes them against the rock! (ESV)
 137:2 Or poplars