Elementary - Season 4, Episode 13: Soundtracks

Watson talking to the florist about the proof he needs to prove arson was behind his brownstone fire, urges him to move back and delivers a jar of honey from Sherlock. 

Sherlock and Watson arrive at Charlotte Koenig's home where loud music blasts, Sherlock breaks into her room after receiving no answer at the door and find Charlotte dead. 

Scene cuts to a tea party where a person is speaking to other people in the party while carrying cups of tea to them.