Italian organist and composer whose dates of birth and death are uncertain. Piazza worked in Milan in the second half of the eighteenth century. In 1775 he was an organist in the churches of Santa Maria in Aracoeli, San Francesco Fuori Porta, and San Damiano. We know he wrote for the organ, for the theatre (Demetrius, Pavia 1750 and The Chinese Hero, Milan 1757) as well as a number of concertos for solo instruments and strings...