When it comes to creating a classic record there are two important elements, firstly music (obviously) and the second is the artwork. No matter what is said about the future of the album, its artwork will always be important for setting the mood of the record- it’s the visual representation of an aural experience.

But sometimes there’s more to a record than what meets the eye, so we’ve put together a collection of 13 record sleeves that feature hidden images – can you find them?