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.
Did anything happen to the Electric Light Orchestra in 2015?
On 8 February 2015, Jeff Lynne's Electric Light Orchestra played at the Grammy Awards for the first time. They performed Evil Woman and Mr. Blue Sky with Ed Sheeran.
Did Jeff Lynne win any awards in 2017?
On 7 April 2017, Jeff Lynne's Electric Light Orchestra played at the Rock and Roll Hall of Fame as they were inducted during the 32nd Annual Induction Ceremony
Were the Electric Light Orchestra successful in 2016?
A 19-date European tour was announced for 2016, with the band Electric Light Orchestra playing the Pyramid Stage at Glastonbury Festival on 26 June 2016
Did anything happen with the Electric Light Orchestra in the 19-date European tour?

Question: What happened with them after that festival?
Self-contained rewrite: What happened with the Electric Light Orchestra after the Glastonbury Festival in 2016?