In the previous 1985 year prior to when this movie debuted in 1986, another film made for television was first broadcast which was also called Duet for One (1985) and was based on the same source Tom Kempinski play. As such, that made this cinema film a remake in only about a one year period. The cinema movie Duet for One (1986) was also made and released only about four years after the similarly titled Australian film Duet for Four (1982), with the tele-film Duet for One (1985) being made and first broadcast one year less around three years before the film from down under.
Reportedly, the picture is only minimally fictionalized from its source material about the lives of cellist Jacqueline du Pré and conductor Daniel Barenboim, which mainly includes its source 1980 stage play of the same name by Tom Kempinski.
The original 1980 East End production of "Duet for One" on stage at the Bush Theatre in Shepherd's Bush in the London featured Frances de la Tour and David de Keyser in the lead roles of Stephanie Anderson and David Cornwallis who represented the real life married personages of Jacqueline du Pré and Daniel Barenboim respectively.
Tom Kempinski originally wrote the role of violinist Stephanie Anderson with actress Frances de la Tour in mind who was the first person to portray the character in theatre. The pair were married at the time that the first stage production premiered in 1980.
The movie's source 1980 stage play of the same name by playwright Tom Kempinski is a two-hander which means its features an entire cast of just two performers in this case just the one actor and just the one actress.