Paul McCartney ’s previous New York-area performance took place three years ago at MetLife Stadium, capacity 82,500. His surprise show Tuesday night at the Bowery Ballroom fit, at most, 575. It was probably less than that since McCartney’s sound board and gear — too much to fit backstage — occupied a portion of the floor space at

Paul McCartney has staged a surprise performance before a small crowd in New York. His previous show in the area took place at MetLife Stadium with a capacity of 82,500. Tuesday’s surprise appearance at the Bowery Ballroom was in front of, at most, 575.