Vivaldi composed approximately , with a significant portion dedicated to strings without a solo instrument—often called ripieno concertos .
: He crystallized the three-movement ( Fast–Slow–Fast ) structure. vivaldi_string_concertos_baroque_renaissance_in...
: His string concertos moved away from the Renaissance style of multiple equal melodic lines (polyphony) toward a clear hierarchy where the upper strings carry the melody supported by a basso continuo . Vivaldi composed approximately , with a significant portion