Others have also tried, but Alfano's is the version commonly used.
Football fans know Nessun Dorma thanks to Pavarotti and the 1990 World Cup. Puccini's final opera is about the man-hating Chinese queen Turandot, and Calaf, the man who finally melts her icy heart. When Puccini died leaving the opera incomplete, it was finished by a composer friend, Alfano. Others have also tried, but Alfano's is the version commonly used.