Crossword Genius

Dance beat requiring energy (5)

Ross

I believe the answer is:

tango

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

'beat requiring energy' is the wordplay.
'beat' becomes 'tan' (I've seen this before).
'requiring energy' becomes 'go' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'tan'+'go'='TANGO'

Can you help me to learn more?

(Other definitions for tango that I've seen before include "Last - in Paris (film)" , "tee" , "reputedly takes two" , "Movement from Argentina" , "Steps" .)

I've seen this clue in The Telegraph.
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