“In the past two years, San Francisco's Charles McCloud Duff has turned out a dozen or so singles and EPs, both solo and working alongside his frequent collaborator Vin Sol. They've been spread across a bunch of different labels, most of them small, boutique affairs—Dekmantel, Unknown to the Unknown, Delft, Classicworks, his and Sol's own Soo Wavey. What his records all tend to have in common is th”