Elektrochemie has been called a “super-group”; its ranks consisting of the highly respected producer Thomas Schumacher and the bewitching, galvanizing vocal presence of Caitlin Devlin; but unlike most super-groups, Elektrochemie is at least the sum of its formidable parts, and its gift to us is sophisticated and heavy-hitting dancefloor music with a human heart – albeit a heart flecked with ice.