Who was the backup singer to Andrea Bocelli singing Bellissime stelle Live in Tuscany?

The backup singer for Andrea Bocelli in "Bellissime Stelle" during the Live in Tuscany concert was the Italian singer and songwriter, Matteo Bocelli, who is also Andrea's son. Their collaboration added a special familial touch to the performance, showcasing their vocal harmonies. The concert, held in 2016, highlighted both their talents and the beauty of the Tuscan landscape.