Crossword Genius

How a London orchestra gives an encore (4)

Ross

I believe the answer is:

also

I'm a little stuck... Click here to teach me more about this clue!

'how' is the definition.
Both the answer and definition are adverbs. Perhaps they are linked in a way I don't understand?

'a london orchestra gives an encore' is the wordplay.
I cannot quite understand how this works, but
'a' is found in the answer.
'orchestra' could be 'lso' (London Symphony Orchestra) and 'lso' is located in the answer.
No letters remain.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for also that I've seen before include "Additionally" , "'Besides, moreover (4)'" , "in accompaniment" , "on top" , "Item" .)

I've seen this clue in the Evening Standard.
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