Here's what I imagine, they're just singing the song, then there's michael having a panic attack or somethin and interrupts the song and makes ennard/the sl animatronics mad
THE ACTUAL LYRICS: DEAD BUT NOT BURIED
YOU'RE SCREAMING IT'S ALIVE
WHEN MY CLAWS GET A GRIP AND YOU SEE ME IN THE NIGHT; WHAT I HEAR FOR SOME REASON: DEAD BUT NOT BURIED YOU'RE SCREAMING IT'S ALIVE WHEN- MICHAEL GET A GRIP!- YOU SEE ME IN THE NIGHT