Backmasking (also known incorrectly as backward masking)Backward(s) masking has two other meanings; see backward masking. See also is a recording technique in which a sound or message is recorded backwards onto a track that is meant to be played forwards. Backmasking is a deliberate process, whereas a message found through phonetic reversal may be unintentional.Backmasking was popularized by The Beatles, who used backward vocals and instrumentation on their 1966 album Revolver. Artists have sin