1) American musical duo 2) Electronic music duo 3) Optical illusion 4) Trip hop group
Found on
https://www.crosswordclues.com/clue/phantogram
Phantograms, also known as Phantaglyphs, Op-Ups, free-standing anaglyphs, levitated images, and book anaglyphs, are a form of optical illusion. Phantograms use perspectival anamorphosis to produce a 2D image that is distorted in a particular way so as to appear, to a viewer at a particular vantage point, three-dimensional, standing above or recess...
Found on
http://en.wikipedia.org/wiki/Phantogram
No exact match found.
