Record of voice range (8)

I believe the answer is:

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This could be a double definition.

'record of voice' is the first definition.
'register' can be an answer for 'record' (register is a kind of record). I'm not certain of the 'of voice' bit.

'range' is the second definition.
(register is a kind of range)

Can you help me to learn more?

(Other definitions for register that I've seen before include "Official record of names, transactions" , "Index" , "See 1" , "Log" , "Record book" .)

I've seen this clue in The Irish Independent.

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