Bank of America Corp. is the most active sponsor of symphony orchestras, theater companies and other performing arts organizations with Wells Fargo & Co. in a close second, according to IEG research.Twenty-two percent of performing arts organizations report a partnership with Bank of America, while twenty percent report a sponsorship with Wells Fargo.KMPG (11 percent), U.S. Bank (11 percent) and JPMorgan Chase (11 percent) round out the top five most active sponsors list.To no surprise, bank...