The instrument was the work of the famous Pistoiese organ-maker Pietro Agati, who built it by recycling part of an organ made by Cesare Romani from Cortona in 1586. It was one of the Pietro’s successors, Giosué Agati, who enlarged the instrument by adding two bodies (1811), bringing it to its current size. Today, after further modifications that the Tronci family had a part in, the Gavinana organ is a majestic instrument with 2,000 pipes in various materials, like wood, tin and lead, with three keyboards and two pedalboards. The Gavinana organ produces special effects, like the “nightingale,” “bass drum,” “Chinese cymbal” and “Turkish cymbal”.
The precious instrument conserved in the Parish Church of Santa Maria Assunta in Gavinana is used for many concerts throughout the year and attests to Domenico Achilli’s long-standing love for sacred music. Achilli died in 1845 without heirs and left his entire patrimony to the town of Gavinana. Interestingly, the Montagna Pistoiese EcoMuseum was set up in his family home.