Two decades into his career, the electronic music composer, who goes by the pseudonym of Kryptonic, remains irreducible as a sound designer. At times, he brings to mind a sculptor, carving out staggering shapes from giant blocks of sound that feel crushingly heavy even as they seem to fall away. Ever-shifting audio-scapes are constant in the composer’s work, and evident on his latest single release, the cinematic soundtrack piece entitled “Tempest”. The strings and thumped percussion are as close as...