[For an introduction to The Greatest Voices Project, click here.] [To view numbers 5o through 46, click here.] ————————————- #45: Paul McCartney Every member of The Beatles helped to make that band the greatest of all time, but McCartney’s voice, both in the band and for many years after, made him stand out from the Fab Four. McCartney does not have an opera-style voice, but his voice holds the listeners attention through each word of any tune he sings. Filled with simplicity, Sir Paul’s voice is unique and quite beautiful. Having a simple-sounding voice has also helped him, as he is able to sing nearly any song and make it…