Crossword Genius

Licence to kill drummer? (5)

Ross

I believe the answer is:

ringo

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

'drummer?' is the definition.
(Ringo Starr)

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for ringo that I've seen before include "The drumming Beatle" , "Starr drummer" , "Beatle Starr" , "One of The Beatles" , "The familiar Beatle drummer" .)

I've seen this clue in the Sydney Morning Herald.
Want a hint initially instead of a full solution? Install my app