Following are a number of back-translations as well as a sample translation for translators of Isaiah 12:1:

• Kupsabiny: “A day will come when you shall sing,
  ‘I exalt you, oh, God!
  You were angry with me, but you comforted me,
  and you are no longer angry.” (Source: Kupsabiny Back Translation)
• Newari: “In that day you will say:
  "O LORD, I praise you!
  You were angry with me,
  But now your anger has subsided.
  And now you have given me consolation.” (Source: Newari Back Translation)
• Hiligaynon: “When that day will-come, you (plur.) will-sing:
  ‘LORD, I praise you (sing.).
  You (sing.) were angry with me, but now your (sing.) anger has-vanished,
  and you (sing.) delight in me.” (Source: Hiligaynon Back Translation)
• English: “At that time, you people of Jerusalem will sing this song:
  ‘Yahweh, we praise you!
  Previously, you were angry with us,
  but you are not angry now
  and you have comforted us.” (Source: Translation for Translators)