Mozarteum is offering a free virtual tour of its Mozart museum in Salzburg. Among many interesting things, you can find Franco Serblin Accordo speakers donated by Franco Serblin Studio on the first floor. In the dedicated listening chamber, Mozart's music is playing all the time for every guest that enters the timeless music chamber. I've had the luxury of being present at the official inauguration two years back. You can read the full article here.