Crossword Genius

A number of maidens travelling on tube, arm-in-arm (2,10,3)

Ross

I believe the answer is:

mr tambourine man

'a number' is the definition.
(Bob Dylan song or 'number')

'maidens travelling on tube arm-in-arm' is the wordplay.
'maidens' becomes 'm' (cricket abbreviation).
'travelling' indicates an anagram.
'on'+'tube'+'arm'+'in'+'arm'='ontubearminarm'
'ontubearminarm' is an anagram of 'rtambourineman'.
'm'+'rtambourineman'='MR TAMBOURINE MAN'

'of' is the link.

(Another definition for mr tambourine man that I've seen is " Rock song".)

I've seen this clue in The Times.
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