Madurell Marimón 1951/I: 3; Invoice from the singing-master ('magister cantus Barchinone') Anthonio Valsaldi, made out to Yolanda, prioress of the monastery of Santa Maria de Jonqueres, a nun from that monastery by the name of Constansa de Cros, and the Barcelona priest Francisco Font, who are the executors of another priest from Barcelona, Miguel Sala. The invoice is for 71s 6d for Valsaldi's services teaching Sala to sung ('pro laboribus per me sustentes in docendo cantum dicti quondam Michaeli Sali'.