Calvin Harris's production work is as varied as his solo catalogue—from remixing indie-dance adventurers Passion Pit to his floor-filling pop smashes with Rihanna. It all has one thing in common though: Harris' ultra-vivid synths, rife with 8-bit bleeps, sawtooth leads and shimmering pads, which bubble and sparkle like geysers spouting pure champagne—the expensive stuff, too.