The phrase "encore performance" means a second or additional show, usually requested by the audience, after the original performance has ended. Full definition
The public encore performance of Learning to Fail will be on Wednesday, August 21st at 7:30 pm. (realhartford.org)
Though Whiplash was first released in Australia late last year, its Oscar nomination means that it's receiving an (ahem) encore performance in cinemas at the moment. (hoopla.nu)
Once the voltage reaches its climax, players will find themselves transported on stage for a special one - on - one encore performance with Miku!» (seganerds.com)