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

Not all of Paul McCartney’s fans were able to “come together” Tuesday night for his surprise show at New York City’s Bowery Ballroom — because the concert sold out within