Of an electrifying performance? (9)

I believe the answer is:

conductor

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'of an electrifying performance?' is the definition.
The definition suggests a singular noun which matches the answer.

This is the entire clue.

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(Other definitions for conductor that I've seen before include "Train guard" , "See 6" , "who may wave his hands about?" , "One should receive the current" , "See 12" .)

I've seen this clue in the Evening Standard.

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