Question: When was the Italian pianist and composer with which Canzoniere Grecanico Salentino performed born? 
Sentence (from "Canzoniere Grecanico Salentino"): According to the group's website, it has performed with musical artists including Ballaké Sissoko, Ibrahim Maalouf, Piers Faccini, composer Ludovico Einaudi, and pop drummer (Stewart Copeland of The Police.
Relevant evidence: Yes