In the film, Moondog's biographer Robert Scotto makes a cameo appearance as one of the central singing characters, seen sitting on the stoop of the composer's former address at 179 East 3rd Street in the East Village.
There are several "Easter eggs" that you can spot in the film: (1) a toddler waving at a dog; (2) a Black Lives Matter sign at historic St. Mark's Church in-the-Bowery; (3) a statue of Peter Stuyvesant who was the Director-General of New Amsterdam; (4) a blind person walking in the background at Yankee Stadium; (5) Moondog's biographer Robert Scotto sitting on the stoop where the composer once lived in the East Village; and (6) renowned muralist Louis "Masai" Michel painting dogs inside a fish inside a bottle at the end of the film.
In the film, the final scene is at First Street Art Park Garden in the East Village/Bowery of Manhattan in New York City, and renowned muralist Louis "Masai" Michel is seen painting dogs in a fish in a bottle.
The musicians of Calefax Reed Quintet are all based in the Netherlands, playing this song about the once-New Netherland colony that was called New Amsterdam, now New York City.
The composer Moondog's given name was Louis Hardin (1916-1999) and he influenced a generation of composers including Philip Glass and Steve Reich, and musicians ranging from Benny Goodman to Arturo Toscanini. He was blind, and would busk on the streets of Manhattan wearing a horned Viking helmet, becoming known as "The Viking of Sixth Avenue."