Jay-Z Is Performing In Front of a 40-Foot Jeff Koons Balloon Dog

JAY-Z is hitting a couple of U.S. festival dates in September--New York City's The Meadows Music and Arts Festival and his own Made in America fest in Philadelphia--and then touring North America for the rest of fall in support of 4:44. He debuted his 2017 stage show at the V Festival in the UK on Saturday. It has not been widely-enough…