Farinelli was an Italian castrato—a singer castrated in boyhood to create an artificial soprano or alto voice. Renowned for his vocal power and agility, he became the greatest opera star of his time but abandoned the public stage for the court of Philip V, where he received an astronomical fee for his only duty: singing the same four songs to the king each night. After retiring, Farinelli received illustrious guests like Mozart at his villa in Bologna. Why were his remains exhumed in 2006? Discuss