Here are the Jammcard members performing this weekend at Lollapalooza.  If you're in Chicago, check them out!   -Thursday 8/3- Lorde ~ Ben Barter (Drums), Jimmy Mcdonald (Synths), & Nateli Ruiz (Dancer):  8:45pm - Bud Light Stage Lil Uzi Vert ~ Eric Gerloff (PM/FOH):  9pm - Pepsi Stage -Friday 8/4- Mondo Cozmo ~ James...