Reversing an audio tape produces a mirror image of the original recording. Temporal events are inverted; the end of the recording becomes the beginning, and vice versa. Sounds are also flipped, resulting in reversed speech or music. For example, a familiar melody played backward becomes an unrecognizable and often dissonant sequence of notes.
The impact of this process has resonated through history. Audio manipulation techniques, including the reversal of tape, have been utilized in music production to create unique sound effects and textures. Some have also explored it in search of hidden messages within recordings, though the validity of such claims remains debated. Early electronic music composers experimented with tape manipulation extensively, pioneering new sonic landscapes.