Performance of male lead in a capital part (9)

I believe the answer is:

rigmarole

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'performance' is the definition.
(I've seen this before)

'male lead in a capital part' is the wordplay.
'male lead' becomes 'm' (I am not sure about this - if you are sure you should believe this answer much more).
'in' means one lot of letters goes inside another.
'a capital' becomes 'Riga' (capital of Latvia).
'part' becomes 'role' (eg a theatrical role).
'm' placed inside 'riga' is 'rigma'.
'rigma'+'role'='RIGMAROLE'

'of' is the link.

Can you help me to learn more?

(Other definitions for rigmarole that I've seen before include "Long, rambling statement or complicated procedure" , "Complex procedure" , "Performance" , "Elaborate procedure" , "Complicated procedure, nonsense" .)

I've seen this clue in The Daily Express.

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