Mark Pritchard has released tracks under a multitude of guises while rifling through almost as many electronic music forms. The England-raised, Australia-based producer could be called a dilettante, but the caliber of his collaborators -- including Global Communication partner Tom Middleton -- combined with the reverence accorded to the labels that have released his work, demonstrate that he's a respected and accomplished polyglot. Pritchard's commercial peak came early in his career with Shaft's "Roobarb & Custard," a 1991 novelty single that placed him in the U.K. Top Ten, a...