Sometimes a hushed near-whisper and sometimes anything but, with What Is This Heart? Tom Krell makes the move from indie R&B to pop. A little glitchiness and experimentation make their way into the album, but overall, it retains a spacious, emotional quietness. The higher production value is evident in the crispness of the instrumentation lending a cinematic quality to the larger pop tunes. His confessional and candid vocals take front and center on each track, usually in a sweeping, floating falsetto that lends to the feeling of Krell baring his naked soul to the listener.
