Following are a number of back-translations as well as a sample translation for translators of Psalm 40:3:

• Chichewa Contempary Chichewa translation, 2002/2016:
  “He put a new song in my mouth,
  a song of praise to my God.
  Many will see,
  and fear and they will believe in Jehovah.” (Source: Mawu a Mulungu mu Chichewa Chalero Back Translation)
• Newari:
  “He taught me a new song,
  a song of praise to our God.
  Many will see this, and become afraid.
  And will put their trust in the LORD.” (Source: Newari Back Translation)
• Hiligaynon:
  “He taught me a new song,
  a song of praise to him our (incl.) God.
  Many people will-see this,
  and they will-respect and will-trust him.” (Source: Hiligaynon Back Translation)
• Eastern Bru:
  “He taught me a new praise song, a song that praises our God. Many people see this, then they will also honor God, and they will trust in him also.” (Source: Bru Back Translation)
• Laarim:
  “He put a new song my mouth,
  the song in which I praise my God.
  There will be many people who will see and fear,
  and they put their hearts with the LORD.” (Source: Laarim Back Translation)
• Nyakyusa-Ngonde (back-translation into Swahili):
  “Alinifundisha wimbo mpya,
  wimbo wa kumsifu Mungu wetu.
  Wengi watayaona ambayo alifanya na kuogopa,
  watamtumaini BWANA.” (Source: Nyakyusa Back Translation)
• English:
  “He has given me a new song to sing, a song to praise him who is our God.
  Many people will find out what he has done for me, and they will revere and trust him.” (Source: Translation for Translators)