It’s a rare and bewildering thrill to encounter something as organically bizarre and entirely transportive as Koradan’s newest album, "Around the World...Music". The Italian duo Alex Baccari and Marzia Di Cicco are dedicated acoustic alchemists. They build the very tools they play. Through their patented centerpiece, the "Koritas," they have physically fused materials harvested from five different continents into a single resonating chamber. You...

The fastest pop songs arrive like a notification. Ben Lester’s self-titled debut does something more interesting: it lets the listener wait for the message to finish forming. Across 13 tracks for Mayfield Records, the London singer, songwriter, performer and producer turns patience into part of the pleasure. The result is indie pop with an arranger’s discipline, a record built for people who like a chorus but...