Jacques Mauger testing AC 440 Trombones at the Antoine Courtois Factory

Jacques Mauger, Antoine Courtois' official AC 440 clinician, tests a series of 440 trombones at the legendary Antoine Courtois factory and treats us with a run through the famous "Nessun Dorma" theme. More on the AC 440 trombone by clicking http://bit.ly/ww3x09"

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