Examples from Music
Joseph Haydn: Symphony Nr. 47 (1772) includes a menuett al roverso, where the trio plays the notes backwards.
Paul Hindemith: Hin und zurück op. 45a (1927) is a short opera (ca. 15 minutes) that starts forward and halftime runs the story backwards also reversing the text.
Nina Hagen: Fisch im Wasser (1978) is a short song, that ends by the reverse of the first half (more).
Radiohead: Like Spinning Plates (2001) is a song, where Tom Yorke sang his lines backwards, which were afterwards reversed (more).