Video: R.E.M.’s Michael Stipe, Patti Smith’s ‘walk-in concert’ at New York’s MoMA

Back on Dec. 19, visitors to New York City’s Museum of Modern Art witnessed a surprise ‘walk-in concert’ by R.E.M.’s Michael Stipe and Patti Smith as part of the museum’s celebration of the 100th anniversary of the birth of French political activist and writer Jean Genet.