Help on three please 17a Recorder music left on back street in Paris (10) ?A?P?R???R 18d English and Italian leader welcoming a short time in train (7) ??U?A?E 23d Pick needed for some concrete tiles...
20 across: Lively piece of music won very old examination (4,4) V?V? ??C? 14 across: Ballet company dances with bisons in Novosibirsk (5) K?R?? 25 down: Big flower means nothing to Egypt (4) N?L?...