In bislang 25 heute bekannten Fällen wurden bewusst Rückwärtsbotschaften in Musikstücke eingebaut, z.B.:

vorwärts:
undeutlich
ELO: Fire on High (1975)
rückwärts:
"The music is reversible, but time is not...turn back! Turn back! Turn back!"

vorwärts:
undeutlich
Pink Floyd: Empty Spaces (1979)
rückwärts:
"...congratulations. You've just discovered the secret message. Please send your answer to Old Pink, care of the funny farm, Chalfont"

vorwärts:
undeutlich
Prince: Darling Nikki (1984)
rückwärts:
"Hello, how are you? I'm fine, 'cause I know that the Lord is coming soon, coming, coming soon"

vorwärts:
undeutlich
The B-52's:
Detour Through your Mind (1985)
rückwärts:
"I buried my parakeet in the backyard. Oh no, you're playing the record backwards. Watch out, you might ruin your needle."