As a songwriter, Sampha is a man of chess. He structures his work with precise, intentional moves. As a singer, Sampha is a man of spontaneity. His voices leaps upwards across its high register like someone whose soul leaps out of his chest. And yet both sides of the musician’s work never quite sound like the precision or passion steering them. At 27 years old, the London singer-songwriter discovered how to straddle the line between R&B, soul, electronica, and dance, and on his long-awaited debut full-length, Process, he manages to skate between sounds without ever sounding disjointed.