Libertango Astor Piazzolla Download 'Libertango' on iTunes
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Luciano Pavarotti - The 50 Greatest Tracks: an album guide
Collaborations don't get any starrier than this. The great Georg Solti is on hand here to steer Pavarotti's voice through the tenor solo from Verdi's Requiem, a moment of hope in work so usually synonymous with drama and stress.