The Florentine Camerata -- The proem on Plutarch's Musica to Titus Pyrrhinus / by Carlo Valgulio -- The letter to Vincenzo Galilei of 8 May 1572 / from Girolamo Mei -- The Discourse addressed to Giulio Caccini, called the Roman, on ancient music and good singing / by Giovanni Bardi -- The discourse on how tragedy should be performed / by Giovanni Bardi(?) -- Three scientific essays. Discourse concerning the various opinions that the three most famous sects of ancient musicians had concerning the matter of sounds and tunings ; A special discourse concerning the diversity of the ratios of the diapason ; A special discourse concerning the unison / by Vincenzo Galiliei -- The prescriptions for intermedi / by Giovanni Battista Strozzi the Younger
