Optical illusions come in many different forms, from the perplexing to the mind-melting, but op art doesn't always have to be headache-inducing. Representing the serene side of op art, Larry June's Life is Beautiful LP is a mesmerising visual treat with a delightfully smooth soundtrack to match. From the cognitive to the physiological, optical illusions are typically caused by our brain misinterpreting information, leading to visual displays that amaze and confuse.