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English definition of “tune”

tune

verb [T] (INSTRUMENT)    /tjuːn/ US  /tuːn/
to change a part of a musical instrument so that the instrument produces the correct sounds when played: Get into the habit of tuning your guitar every day before you practise. She tuned (up) her violin before the concert.Playing musicSinging in general
(Definition of tune verb (INSTRUMENT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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