Crossword Genius

Register changes a lot (4)


I believe the answer is:


'register' is the definition.
(vocal register)

'changes a lot' is the wordplay.
'changes' indicates anagramming the letters.
'alot' anagrammed gives 'ALTO'.

(Other definitions for alto that I've seen before include "Lowest female singing voice" , "Woman's singing voice" , "Unisex vocal range" , "Voice part" , "The highest adult male singing voice" .)

I've seen this clue in The Mirror.
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