"The Hundred and One Dalmatians" is a novel written by Dodie Smith, first published in 1956. The story revolves around the kidnapping of Dalmatian puppies by the villainous Cruella de Vil.

Disney's animated film adaptation, titled "One Hundred and One Dalmatians," was released in 1961. It became a classic and introduced iconic characters like Pongo, Perdita, and Cruella de Vil. The film was based on Dodie Smith's novel but had its own distinct style and narrative.

Disney released live-action adaptations of "101 Dalmatians" in 1996 and a sequel, "102 Dalmatians," in 2000. Glenn Close portrayed the infamous Cruella de Vil in both films. This new musical is written by Douglas Hodge (music and lyrics) and Johnny McKnight (book), from a stage adaptation by Zinnie Harris.