Happening right now: Symphonic Odysseys
"Featuring music from Lost Odyssey, Final Fantasy, Chrono Trigger, Blue Dragon, Last Story etc."

Video stream link:
WDR TV Event Web-M
Website:
Symphonic Odysseys - video game music concert

Symphonic Fantasies was 2 years ago. Last year was Symphonic Legends, featuring Nintendo music. This year, it's all Uematsu.