Question: how is Winchester '73 and James Best related?

Context articles: James Best
Johnny Farnham Sings the Big Hits of '73 Live!
Plant A Tree In '73
Internationale Gartenbauausstellung 73
Winchester '73
Leslie I. Carey
Koorogi '73
Casanova '73
The Sweeter Side of Life
Arts '73

James Best (born Jewel Franklin Guy; July 26, 1926 – April 6, 2015) was an American television, film, character, voice, and stage actor, as well as a writer, director, acting coach, artist, college professor, and musician, whose career spanned seven decades of television.
 He appeared as a guest on various country music and talk shows.
Johnny Farnham Sings The Big Hits Of '73 Live!
 is a live album by Australian singer John Farnham.
Plant A Tree In '73 was a Government-sponsored national campaign in the United Kingdom, aimed at encouraging the population to participate by planting trees during the 1973 'National Tree Planting Year'.
 At the time a new, virulent strain of Dutch Elm Disease was sweeping the country, killing millions of trees.
The International Gartenbauausstellung 73 (IGA '73) was a garden festival held in Hamburg, Germany , which was recognized by the Bureau International des Expositions.
 The exposition was the 6th edition of the international horticultural exposition organised under the auspices of the Association of International Horticultural Producers (AIPH) and the second held at Planten un Blomen park in Hamburg.
 The exhibition took place on the same site where IGA 63 was held a decade earlier.
 There were some changes to the site location, such as the vaulting of the Marseillerstrasse so that visitors throughout the area without crossing could visit.
 Instead of a cable car, a park trail was constructed on the site to provide for visitors.
 The line had four stations and took 30 minutes to complete a lap.
Winchester '73 is a 1950 American Western film directed by Anthony Mann starring James Stewart, Shelley Winters, Dan Duryea and Stephen McNally.
 Written by Borden Chase and Robert L. Richards, the film is about the journey of a prized rifle from one ill-fated owner to another and a cowboy's search for a murderous fugitive.
 The movie features early film performances by Rock Hudson as an American Indian, Tony Curtis, and James Best.
 The film received a Writers Guild of America Award nomination for Best Written American Western.
 This is the first Western film collaboration between Anthony Mann and James Stewart.
 It was filmed in black and white.
Sound recordist Leslie I. Carey (August 3, 1895 – June 17, 1984) first hit Hollywood in 1938, where he embarked on the first of over 300 films.
 Some of these were "A Double Life" in 1947, "The Naked City" and "Abbott and Costello Meet Frankenstein" in 1948, "Winchester '73" in 1950, "Creature from the Black Lagoon" and "Magnificent Obsession" in 1954, "Man Without a Star" and "This Island Earth" in 1955, "The Incredible Shrinking Man" (1957) and "Operation Petticoat" (1959).
 Also in the late 1950s, he worked extensively on the "Peter Gunn" TV series.
 Nominated five times for the Academy Award, he won an Oscar in 1954 for "The Glenn Miller Story".
Koorogi '73 (こおろぎ'73 , Kōrogi Nanajū-san ) were a Japanese backing vocals group best known for their contributions to the Super Robot series and Toei's Super Sentai and Kamen Rider Series.
 The group was disbanded after 1990.
Casanova '73 is a British sitcom that aired on BBC1 in 1973.
 Written by Ray Galton and Alan Simpson, "Casanova '73" starred Leslie Phillips as wealthy womaniser Henry Newhouse (the English translation of "casa nova").
The Sweeter Side of Life is a 2013 Hallmark Channel Original romantic comedy starring Kathryn Morris and James Best.
 The made-for-television film was co-written and co-produced by Michael Damian and his wife Janeen Damian.
 "The Sweeter Side of Life" is the seventh film by the husband and wife team; continuing in the family film genre, and with family involvement, James Best, Janeen Damian's father, plays the father of the protagonist.
 Michael Damian's newest single, "Rock My Heart", is also featured in the film.
Arts '73, Arts '74 and Arts '75 was a Canadian television series which aired on CBC Television between March 8, 1973 and June 22, 1975.
 The show was hosted by Helen Hutchinson (1973), Sol Littman (1974) and Pat Patterson (1974–1975)