Following are a number of back-translations as well as a sample translation for translators of Isaiah 12:5:

• Kupsabiny: “Sing praising God, please,
  because he has done amazing things.
  Let the whole world listen to
  those good news.” (Source: Kupsabiny Back Translation)
• Newari: “Sing to the LORD for the amazing work that he has done,
  May everyone who lives on earth hear this word!” (Source: Newari Back Translation)
• Hiligaynon: “[You (plur.)] sing to the LORD because what he has-done (is) amazing.
  [You (plur.)] tell these to the whole world.” (Source: Hiligaynon Back Translation)
• English: “We should sing to Yahweh, because he has done wonderful things.
  We should enable everyone in the world to know it!” (Source: Translation for Translators)