Fans of Lady Gaga, John Lennon, Tom Petty and the Heartbreakers, George Michael, Green Day, Shakira and more than 25 other top musical acts can rock out in collectible edition t-shirts showing off their favorite artists and their support for City of Hope, a leading research, treatment and education institute for cancer, diabetes and HIV/AIDS. Beginning this month, fans who visit the artists’ official websites and CityofHopeShop.com can purchase “Hope, Love and Rock & Roll” t-shirts featuring their favorite artists, with not less than 50-percent of the retail price benefitting research and treatment programs at City of Hope.
                  
“I’m a big believer