https://www.bbc.co.uk/sounds/play/m0013b2rReleased On: 19 Feb 1999
Available for 29 days

In 1761, Benjamin Franklin invented the glass harmonica.

Lesley Bruce’s drama explores the impact of this peculiar instrument on the lives of Wolfgang Amadeus Mozart and Franz Mesmer - as well as two visually-impaired musicians, Marianne Kirschgassner and Marie Therese von Paradis.