The Rookie - Season 6, Episode 4: Soundtracks

title by The Lighthouse and The Whaler is the correct one (I checked)

Celina calls in the Pentagram killer on the radio. Detectives Harper and Lopez talk to Nolan and Celina about the mess up.

This is the opening theme.

Tim and Aaron give the suspect's home an inspection. From inside comes loud music.

Tim visits Lucy at her hospital room.