Marni Nixon, often referred to as "The Voice of Hollywood," played a pivotal role in shaping musical cinema during the mid-20th century. While her face may not be widely recognized, her voice graced iconic films like *The King and I* (1956), *West Side Story* (1961), and *My Fair Lady* (1964), where she lent her extraordinary vocal talents to the likes of Deborah Kerr, Natalie Wood, and Audrey Hepburn. Collectors of physical media cherish these films not only for their cinematic brilliance but also for the hidden gem that is Nixon's voice, which brought these characters to life in ways that have become legendary. A standout entry for collectors is *I Think I Do* (1997), where Nixon showcased her vocal prowess in a more direct manner. Her appearance in *The Sound of Music* (1965) as a singing nun further solidified her place in film history, making her contributions even more collectible. Nixon's legacy endures through these significant titles, reminding fans and collectors alike of the unsung talent behind some of the most beloved musical moments in film history.