Marie Chain and "Holy Water" come at a time when the lines between styles of music are becoming less natural. For more than ten years, the Berlin-based artist has been making what she calls "Global Soul," and her newest song shows why that term is so perfect. The track's origin story reads like something from a travel journal. Chain conceived the melody during a summer hike...

Farbod Biglari’s new single, "Waltz for Baran (The Rain Waltz)," arrived like a polite invitation to a forgotten ballroom, where the chandeliers are lit but the guests are all pleasingly melancholic figments of memory. It doesn't swagger; it glides, a full orchestral sway that clearly tips its hat to the spirit of composers like Stelvio Cipriani, not by mimicry, but by sharing a certain...