The source of the present edition is preserved in the Archivio di Stato, Bologna. Editorial principles: In the score, the number of editorial interventions has been kept to a minimum. T

he original dynamic and expression markings are extremely few and far between, but precise. Only three dynamic levels are specified: forte, dolce ( = piano) and dolce assai ( = pianissimo). As regards expression markings we note the complete absence of the legato sign, though the appoggiatura, staccato, trill ...