cue in

Short definition from Wiktionary

Verb

1. 1
   To add elements (dialogue, music, special effects) to a specific spot in a script.
2. 2
   To signal (someone) to join a performance or to begin a task at a particular moment.
3. 3
   To identify and understand signals, emotions, body language, subtext, etc.; to connect with someone.
4. 4
   Misspelling of clue in.