Crossword Genius

Hot show becomes a musical (4)

Ross

I believe the answer is:

hair

'a musical' is the definition.
(1960s musical)

'hot show' is the wordplay.
'hot' becomes 'h' (abbreviation eg on taps).
'show' becomes 'air' (both can mean broadcast).
'h'+'air'='HAIR'

'becomes' acts as a link.

(Other definitions for hair that I've seen before include "Barber's speciality; musical" , "A very small quantity" , "One's crowning glory?" , "Growth from skin" , "It grows from the skin" .)

I've seen this clue in The Independent.
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