One of Mozart's great loves was an instrument invented by Benjamin Franklin, the glass harmonica. Also thrilled by the sound is German composer Jörg Widmann, whose piece "Armonica" sounds out in this week's show.
Conductor Kent Nagano leads the Deutsche Kammerphilharmonie Bremen at the opening concert
Concert Hour - listen in at top classical music festivals
Concert Hour features live recordings of the world's music stars performing in Germany's palaces, churches and concert halls, conveying the full immediacy and festivity of these renowned musical events.
Listen to Concert Hour every Friday as audio-on-demand.
Find out which DW services are available in your area.