The band also joked about drummer Lars Ulrich's obsessive set list fetish.
The new leg includes date for Philadelphia, whose show on March 2 was unexpectedly postponed.
"We'd probably really understand each other," he told Howard Stern of the pop superstar, whose musical talents he praised.
The Chicks, HAIM, The War On Drugs, Father John Misty, Japanese Breakfast, Suki Waterhouse are also among artists set to take the stage at the jam-packed festival.
Eight artists have been chosen to take part in this year's program, including ERNEST, Chapel Hart and Megan Moroney.
The Live Nation-produced outing will kick off Aug. 26 in Chicago.
She's loved Jake Bongiovi for three summers.
Tampa Mayor Jane Castor knew she had to up her game after Glendale, AZ temporarily changed its name in honor of Tay.
“Flower” is blooming on charts around the world.
