Slow movement, with nation confused (9)

I believe the answer is:

andantino

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'slow movement' is the definition.
'andantino' can be an answer for 'movement' (I've seen this before). I am unsure of the 'slow' bit.

'with nation confused' is the wordplay.
'with' becomes 'and'.
'confused' is an anagram indicator.
'nation' is an anagram of 'antino'.
'and'+'antino'='ANDANTINO'

Can you help me to learn more?

(Other definitions for andantino that I've seen before include "at a leisurely pace" , "Slightly faster than walking pace (mus.)" , "a slowish pace" , "Quite speedy" , "Musical tempo - ain't donna (anag)" .)

I've seen this clue in The Independent.

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