Beck Hansen was at his Cali-folk best on last night on SNL. Backed by John Misty’s Josh and Tillman Justin Meldal-Johnsen, Beck’s reverent rendition of “Blue Moon” and orchestral drenched “Wave,” both from his recent masterpiece “Morning Phase,” proves again that when the kitsch is stripped away Beck is a master song craftsman that fits comfortably in the Americana fold.