A musical little girl (5)

I believe the answer is:

annie

I'm a little stuck... Click here to teach me more about this clue!

This could be a double definition.

'a musical' is the first definition.
(Annie is a Broadway musical)

'little girl' is the second definition.
'Annie' can be an answer for 'girl'. I am unsure of the 'little' bit.

Can you help me to learn more?

(Other definitions for annie that I've seen before include "Little orphan girl" , "Musical inspired by comic strip" , "1977 Broadway musical" , "Popular musical about Little Orphan" , "- Hall, Woody Allen film" .)

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