Conversation so far:
What did Lorde do in 2016?
In January 2016, Lorde purchased a $2.84 million home in Herne Bay, Auckland.
Is she still working on music?
Lorde revealed the title of her second album, Melodrama on 2 March.
She released a new song from the album titled "Liability" on 9 March 2017.
Did this song go high on charts?
CANNOTANSWER.
Did she have any drama or controversy?
CANNOTANSWER.
What is Melodrama?
Lorde revealed the title of her second album, Melodrama on 2 March.
What are some of the singles?
She released a new song from the album titled "Liability" on 9 March 2017.
Did it make the charts?
Six days later, the Melodrama World Tour was announced, beginning in Manchester on 26 September 2017.
Any other interesting information?
The final promotional single, "Sober", was released on 9 June 2017.

Question: How did that song do?
Self-contained rewrite: How did Lorde's song "Sober" do?