Citi® cardmembers will also have access to presale tickets beginning Wednesday, April 14th at 10am local time through Citi’s Private Pass® Program. For complete presale details visit www.citiprivatepass.com. Since kicking off in February, the Battle Studies World Tour has repeatedly ranked among the Top Five on Billboard Magazine’s weekly Hot Tour list. Mayer’s current single, … Continue reading John Mayer’s ‘Battle Studies World Tour’ Extends to Summer