Elementary - Season 4, Episode 4: Soundtracks

Joan's phone rings as she and Sherlock try to get out of handcuffs, Sherlock moves his chair closer to the phone and notify Joan that Stuyvesant Memorial Hospital is calling her. 

Joan arrives home to find Sherlock listening to music and watching the hospital security cameras, she questions his choice in music and he tells her its combat fire for her choice in her ringtone. 

Joan accepts Gina's offer to fight her now; (sometime later) Joan ices her hand as Sherlock makes a poultice for her, they discuss Gina backing off Joan as well Joan continuing her combat training.