Love-mobile in a music maker (7)

I believe the answer is:

ocarina

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'music maker' is the definition.
(ocarina is a kind of musical instrument)

'love-mobile in a' is the wordplay.
'love' becomes 'o' (love means zero in tennis).
'mobile in' becomes 'carin' (I can't explain this - if you can you should give a lot more credence to this answer).
'o'+'carin'+'a'='OCARINA'

Can you help me to learn more?

(Other definitions for ocarina that I've seen before include "toy instrument" , "we blow it" , "Toy-like wind instrument" , "dated instrument" , "Simple wind instrument" .)

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

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