Question: Managed by English music manager and producer, John Arnison, Leftfield, a British electronic music group, began as a duo between who?
Sentence (from "The Future Sound of London"): In addition to music composition, their interests have covered a number of areas including film and video, 2D and 3D computer graphics, animation in making almost all their own videos for their singles, radio broadcasting and creating their own electronic devices for sound making.
Relevant evidence: No