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Top choirs fundraise for the cardiac unit and a Lisburn choir just back from Berlin.
BBC Radio Ulster
2/5 Donald Macleod examines the turbulent relationship of Johann Strauss I and II.
BBC Radio 3
Artist of the Week: mezzo-soprano Anne Sofie von Otter, featured in Mozart and Weill.
Petroc Trelawny presents Radio 3's classical breakfast show, featuring listener requests.
Catriona Young presents a concert from the 2015 Pyrenees Festival of Early Music in Spain.
Tom Service meets young composer and violinist Alma Deutscher.
Thomas Dausgaard conducts the BBC Scottish Symphony Orchestra in music by Haydn and Mahler
1/5 Donald Macleod charts the rise of Johann Strauss I and his waltzes.
Sean Rafferty's guests include the London Conchord Ensemble, Andrew Staples, Laura Mucha.
The BBC SSO performs music by WS Bennett, Wagner, Elgar, Strauss and Julian Anderson.