Nisi Dominus, RV 608, is a musical setting by Antonio Vivaldi of Psalm 127 (Vulgate 126), intended for Vespers. His score, written c. 1715, calls for alto voice, strings and organ or harpsichord. The alto part may be taken by (female) contralto or (male) countertenor. Vivaldi would again set this psalm, but with three voice-parts […]