help please and explanations
15d tuner more upset about one french composer10 T?U?N?????
21d dessay's one to suppress tear being not ready U????? 6
20d observe upset involving half of chorus'vocal effects 6 E?H???
23a genuine introduction to music's sphere of influence 5 ??A??
26a performance's ending with the historic overture?thats a surprise 3-6 ??E-???N??
thanks