Wonderful maestro offers minimal resistance (14)

I believe the answer is:

superconductor

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'minimal resistance' is the definition.
The definition suggests a singular noun which matches the answer.

'wonderful maestro' is the wordplay.
'wonderful' becomes 'super' (I've seen this before).
'maestro' becomes 'conductor'.
'super'+'conductor'='SUPERCONDUCTOR'

'offers' acts as a link.

Can you help me to learn more?

(Other definitions for superconductor that I've seen before include "perfect current material" , "lacking resistance when very chilly" .)

I've seen this clue in The Daily Express.

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