The so-called ‘Anna Maria Partbook’ consists of an elegantly bound volume in red leather containing the violin part of 31 highly virtuoso violin concertos, 26 of which are by Vivaldi. The collection represents the personal repertoire of the Venetian composer’s most gifted pupil, the famous ‘Anna Maria della Pietà’, who also played the viola d’amore, mandolin, theorbo and harpsichord. Twenty of the Vivaldi concertos are known from other manuscript sources and are therefore familiar to us in their...