Following are a number of back-translations as well as a sample translation for translators of Psalm 81:3:

• Chichewa Contempary Chichewa translation, 2002/2016:
  “Sing a trumpet of a male sheep horn on a new moon,
  and when the moon has fully appeared, on the day of the feast;” (Source: Mawu a Mulungu mu Chichewa Chalero Back Translation)
• Newari:
  “At new moon and at full moon,
  blow the trumpet to celebrate our festivals.” (Source: Newari Back Translation)
• Hiligaynon:
  “[You (plur.)] sound the trumpet/horn to celebrate the Feast of Beginning of the Moon and the feast that we (incl.) celebrate when the moon (is) full/[lit. round].” (Source: Hiligaynon Back Translation)
• Laarim:
  “You blow the horns of ram in a New Moon,
  and blow when the moon shine well on the day of our feast,” (Source: Laarim Back Translation)
• Nyakyusa-Ngonde (back-translation into Swahili):
  “Pigeni baragumu, wakati mwezi umeandama,
  tena wakati mwezi umekomaa, siku ya sikukuu yetu.” (Source: Nyakyusa Back Translation)
• English:
  “Blow the trumpets during the festival to celebrate each new moon
  and each time the moon is full and during our other festivals.” (Source: Translation for Translators)