Married Life was composed by Michael Giacchino for Pixar's Up, released in 2009, and underscores the wordless montage of Carl and Ellie Fredricksen's life together. The score won the Academy Award for Best Original Score, and the montage became one of the film's most remembered scenes. Online, the piano theme spread beyond the film as a shorthand for love, loss, and nostalgia, appearing in wedding videos, anniversary tributes, and emotional edits on TikTok and YouTube. Its short, recognisable melody still works because it conveys a whole life story in seconds.