Benicia Public Library:
William-Zeitler-explains-playing wine glasses
Benicia Public Library:
William-Zeitler-reveals the instrument
Benicia Public Library:
The-glass-armonica
Benicia Public Library:
Audience
Benicia Public Library:
Audience-in-enthralled
Benicia Public Library:
William-Zeitler-playing-his armonica
Benicia Public Library:
Closeup-of-the-armonica