Across
Cut short series of performances by contralto in gallery (8)
Preserve business degree in wooden frame (6)
Former pupil's recovery is uncertain (7)
Being practical, puts forward close working style (5,2)
Examine gold divided into three crowns (5)
Initial advantage given in race that reads badly (4,5)
Mistaken for a monster, outspoken scientist drops initial interest (12)
Dim Tuscan cop gets busted — one might joke about it (5,2,5)
Oath sworn by president once got deleted from the record (9)
Rulers erased the central elements, providing means of control (5)
Proceeds cautiously as model returns, embracing unconventional poet (7)
Promote rebel after American intervention (5,2)
Long boring speech illustrating singular belief … (6)
… which helps heel get into Oxford, perhaps (8)
Down
Cromwell, for example, shot a revolutionary when holding mass (6)
Advantage gained by leading team (6)
Came back with European socialist support for census (9)
Cook ignites the pan, creating minor problems (8,5)
Take away sign created by head of McDonald's in America (5)
Idiot reportedly prosecutes moderates (8)
Single theatrical award shows lack of diversity (8)
Troubled over Anne visiting moor — it's the perfect place (6,2,5)
Form of art devoured by spry elderly setter? (5,4)
Old civil orders to detain criminal set producing toxin (8)
Seed carried in rickety barge — one making lots of noise! (8)
Like part of anecdote Kathy put up (4,2)
Composer spoken of as 'performance god' (6)
Express strong feeling, using term Goethe oddly rejected (5)
Type letters or click words in the clue