Conversation so far:
What happened with the Electric Light Orchestra in 2014?
The 50,000 tickets for the BBC Radio 2's Festival in a Day, featuring Jeff Lynne's Electric Light Orchestra, in Hyde Park on 14 September 2014, sold out in 15 minutes.
Did the Electric Light Orchestra perform in Hyde Park in September 2014?
Yes
Was the Electric Light Orchestra's performance for BBC Radio 2 a success?
The Electric Light Orchestra performed a full concert for BBC Radio 2 along with ELO's first two shows in the U.S. in 30 years, both which sold out very quickly.

Question: Did anything happen with them in 2015?
Self-contained rewrite: Did anything happen to the Electric Light Orchestra in 2015?