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Before taking up this role Mackenzie appeared on the BBC World Service for a number of years, and also presented several programmes on classical music, such as the BBC Proms from the Royal Albert Hall.
As a chamber musician, Marks has performed at prestigious festivals around the world including Ravinia, Aspen, Tanglewood, Santa Fe, Mostly Mozart, and the BBC Proms.
Following her marriage, she moved to London, where she expanded her repertoire to music scores for documentaries (on Discovery and National Geographic), teleserials, besides performing at global music events such as WOMAD, the Red Violin Festival, the Cleveland Music Festival, and the BBC Proms.
Trotter has also been invited to perform on major historic instruments such as those at St. Ouen in Rouen, St. Bavo’s in Haarlem (Netherlands), Weingarten Abbey in Germany and Woolsey Hall at Yale University and he appears at the festivals of Salzburg, Berlin, Vienna, Edinburgh and London’s BBC Proms.