Two teams. One sings, one mimics it backwards. Reverse the mimic — did they nail it?
records a short phrase.
will try to mimic it backwards.
Sing or say a short line. Keep it under ~5 seconds.
Happy with it? If yes, hand the device to the other team.
This is the recording, played in reverse. Listen as many times as you need.
Mimic the reversed sounds you just heard.
Hear yours normal, then reversed. Compare to the target.
Compare the original with the guess reversed.
If they nailed it, this should sound like the original.
Did 's reversed attempt match the original?