There were fewer screaming, crying fans in pleated skirts this time, but Paul McCartney delighted a New York City audience on Wednesday with a performance on the roof of the Ed Sullivan Theater. The mini-concert was for a taping of the Late Show with David Letterman and hearkened back to two famous Beatles performances: their legendary debut on the Ed Sullivan Show and the rooftop sessions from Let It Be. McCartney even played one of the Let It Be tunes, "Get Back." He threw in some classics from his post-Beatles career as well, including "Band On The Run."