Notice indicating a go-slow could be at an end (7)

I believe the answer is:

andante

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'notice indicating a go-slow' is the definition.
I can't judge whether this definition defines the answer.

'could be at an end' is the wordplay.
'could be' indicates an anagram.
'at'+'an'+'end'='atanend'
'atanend' is an anagram of 'ANDANTE'.

Can you help me to learn more?

(Other definitions for andante that I've seen before include "not quickly" , "Moderately slow musical passage" , "at a gentle pace" , "progressing slowly" , "moving steadily" .)

I've seen this clue in The Globe and Mail.

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