en_tn_condensed/rev/14/03.md

They sang a new song

"The 144,000 people sang a new song." This explains what the sound was that John heard. AT: "That sound was a new song that they sang"

the four living creatures

"living being" or "living thing." See how you translated "living creature" in Revelation 4:6

elders

This refers to the twenty-four elders around the throne. See how you translated "elders" in Revelation 4:4.

144,000

"one hundred forty-four thousand." See how you translated this in Revelation 7:4. (See: rc://en/ta/man/translate/translate-numbers)