tune in to something

tune in

1. To watch or listen to a particular broadcast. The term originates from the need to "tune" a radio or television to a specific station or channel for a particular program. Be sure to tune in tomorrow, when we'll have the results of the big contest! We have over 2 million viewers tuning in to our show every week.
2. To pay attention to, become aware of, or be responsive (to someone or something). My father never tuned in when we were growing up. Our mother essentially raised us on her own. Would you mind tuning in to your brother for a little while? I need to go get dinner ready.
See also: tune
Farlex Dictionary of Idioms.

tune in (to something)

in. to become alert to something. She tuned in to the comments about acid rain.
See also: something, tune
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • tune in
  • tuned in
  • tune
  • in tune
  • amateur hour
  • dance to another tune
  • carry a tune
  • aye
  • aye aye
  • ayeaye