Английский словарь американских идиом - in tune

{adv.} or {adj. phr.} 1. At the proper musical pitch; high or low enough in sound. * /The piano is in tune./ 2. Going well together; in agreement; matching; agreeable. - Often used with "with". * /In his new job, John felt in tune with his surroundings and his associates./ Contrast: OUT OF TUNE.