Two teens sing songs of themselves in catchy ‘I & You’ at Olney

Two teens sing songs of themselves in catchy ‘I & You’ at Olney

“I contain multitudes,” Walt Whitman wrote in his ringing poem “Song of Myself.” It’s to the credit of Olney Theatre Center’s world premiere I & You: The Musical that its intimate focus on two ostensibly mismatched teens — who, not incidentally, bond over Whitman — so deftly expands to encompass multitudes, too. To start with, there’s the wealth of specific, sometimes spiky personality channeled by the performers in this show, which is based on …