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 the venerable downtown theater.

Paul McCartney gave New Yorkers an opportunity to “come together” for one night, and one night only –– for a surprise concert at the Bowery Ballroom in Lower Manhattan.

McCartney, who was spotted Sunday at the Super Bowl in New Orleans chatting with Adam Sandler, was in New York for the upcoming “Saturday Night Live” 50th anniversary festivities. He’s to be a guest on the star-studded television special Sunday.

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