Conversation so far:
What was Kerli's second studio album?
Shadow Works is the second studio album by Estonian singer and songwriter Kerli. It was released on 22 February 2019 via Seeking Blue.
What is significant for Kerli about around 2015 to the present?
On 5 November 2015, it was revealed that Kerli composed a song for Eesti Laul 2016, Estonia's national selection for the Eurovision Song Contest 2016.

Question: What else did she do during this time?
Self-contained rewrite: What else did Kerli do during 2015 to the present besides composing a song for Eesti Laul 2016?