Crossword Genius

70’s classic base gets Detective Constable to host force unit (2,3,5,5)

Ross

I believe the answer is:

me and bobby mcgee

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'70's classic base' is the definition.
I don't know anything about this answer so I can't judge whether this works.

'detective constable to host force unit' is the wordplay.
'detective' becomes 'meand' (I can't justify this - if you can you should believe this answer much more).
'constable' becomes 'bobby' (informal term for a police officer).
'to host' becomes 'mc' (I've seen this in other clues).
'force unit' becomes 'gee' (gee is a kind of force unit).
'meand'+'bobby'+'mc'+'gee'='ME AND BOBBY MCGEE'

'gets' acts as a link.

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.
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