Prato, Lorenzo (di Jacopo) da
- Umberto Pineschi
( b Prato, 1417; d Napoli, 1492). Italian organ builder . He was the foremost member of the important 15th-century Tuscan school of organ building centred in Prato (another notable member was Matteo da Prato). His organs include those built for S Agostino and S Maria della Scala, both in Siena (before 1459 and 1460), S Francesco, Cortona (1467), and Pistoia Cathedral (commissioned in 1473), but he is known principally as the builder of the organ in cornu Epistolae of the basilica of S Petronio in Bologna, commissioned on 2 June 1470 and completed in 1475. The original gilded case survives, enclosed in a carved stone Baroque outer case of 1674–5. The original instrument had the following specification: Principale 24′ (probably doubled from c), Ottava 12′ (doubled from c, tripled from c′), Quintadecima 6′ (doubled from c′), Decimanona, Vigesimaseconda, Vigesimasesta, Vigesimanona, Trigesimaterza, Trigesimasesta, Flauto in XV (6′). It had a manual of 51 keys (...