Olivia Block’s “Heave To” is her fourth full release under her own name(her first two are on sedimental, the most recent on jason kahn’s cut label) and marks both a new maturity in her compositional prowess and also a new confidence. “Heave To”, a composition in three movements, is an investigation into the deep structures of maelstroms. A roiling mixture of crashing waves and wind, jagged strings, clanging metal, complex electronic textures, and clusters of chamber instruments. In our opinion this is her strongest work since her debut, “Pure Gaze”....