Possible Clues:

• "Turn it up!"
• In the middle of slow etudes, Berg provided added volume
• "Turn up the volume!"
• ''I can't hear you!''
• More flashy
• "We can't hear you!"
• 'We can't hear you!'
• More flamboyant Formula One driver, it is said
• "Speak up!"
• "Turn it up, please"