in tune

in tune idiom
    Also, in tune with.
  1. In agreement in musical pitch or intonation, as in It's hard to keep a violin in tune during damp weather, or Dave is always in tune with the other instrumentalists. [Mid-1400s]
  2. In concord or agreement, as in He was in tune with the times. [Late 1500s] The antonyms for both usages, dating from the same periods, are not in tune and out of tune, as in That trumpet's not in tune with the organ, or The lawyer was out of tune with his partners.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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