Clockwise from top left: Laces, Electric Youth, Cat Clyde, Madi Sipes and the Painted Blue, DYGL and Mika. Madi Sipes & The Painted Blue, “Heavy Heart” — Madi Sipes’ soulful vocals against the trio’s rich, slow-burning synthpop are to your ears what satin sheets are to your skin. It’s invigorating…