"Mein Herr Marquis" from Die Fledermaus Promethean Artists • 1.6K views

Gabriella Reyes sings 'Balada' from 'Ainadamar' at Detroit Opera Promethean Artists • 4.3K views

Ryan Speedo Green "O tu Palermo" from I Vespri Siciliani Promethean Artists • 3.3K views

Ryan Speedo Green Beethoven Symphony Number 9 Promethean Artists • 3.7K views

Ryan Speedo Green "Le veau d'or" from Faust Promethean Artists • 7.7K views

Patrick Guetti "Wer Bist du, Kühner Knabe" from Siegfried Promethean Artists • 2.3K views