Details @ www.serebii.net/pokemongo/events/summerconcert.shtml
Serebii (Unofficial)
@serebii@tippy.rabbithouse.garden
Serebii Update: The Pokémon GO Summer Concert event is now rolling out globally. Runs from 17:00 to 20:00 local time each day from July 19th through July 22nd
Details @ www.serebii.net/pokemongo/events/summerconcert.shtml
Details @ www.serebii.net/pokemongo/events/summerconcert.shtml