Jubilant Sykes, the Grammy-nominated baritone singer, was fatally stabbed at his Santa Monica home, leading to the arrest of his 31-year-old son, Micah Sykes, on suspicion of homicide.Officers found Sykes deceased with critical stab wounds, recovered a weapon, and the Santa Monica Police Department is forwarding the case to the Los Angeles County District Attorney's Office.Micah Sykes, whose mother noted his history of mental illness, faces a court appearance with bail set at $2 million, while the motive remains under investigation for the acclaimed performer known for his work in opera and film.