Rebecca makes Karen her new best friend, taking her out to party and giving her expensive clothes.
Rebecca continues to vie for power in the company, leading to unprofessional behavior like arriving late and having the stage manager make her special smoothies; Derek is forced to retake control of his rehearsal room.
The two originals, "A Thousand and One Nights" and "Second Hand White Baby Grand", were written by Marc Shaiman and Scott Wittman.
"Second Hand White Baby Grand" and "A Thousand and One Nights" were released as singles as the episode aired; the former is currently available on the cast album Bombshell.
[1] This episode was nominated for a Primetime Emmy Award for Outstanding Music Composition for a Series (Original Dramatic Score).