But as with abstract music, such randomness needs a modicum of design to work. “You need a contrast in color or in shape. Otherwise it’s just going to look like a blurred blob,” Tennant says. “In the shot on top, there’s the dark trees versus the light background and the green foliage. In the one on the bottom, I tried to contrast the green leaves, the white flowers, and the blue flowers. If it’s all one uniform color, it just looks messy.” Instead, he made this image look psychedelic. No special substances involved, though—“just high on life,” he adds with a laugh.