One Perfect Day is an Australian film released in 2004.
The central character of the film is Tommy Matisse; his name combines the title of The Who's 1969 rock opera Tommy and the last name of twentieth century French painter Henri Matisse.
Tommy is a Melbourne boy studying at the Royal Academy of Music in London. He is a violinist and composer who hears music in unusual sources such as the ambient noises of a train in the London Underground or the chirping of crickets. He is a rebel against the traditions of classical music and displays this by bringing a homeless woman living in the Underground on stage for a concert.
A sympathetic professor decides that he is the type of innovative artist needed to revive a dying opera artform. Having shocked opera's establishment, he returns home to Melbourne on the death of his younger sister Emma, who suffers a fatal overdose after experimenting with drugs at a rave dance party. He discovers a CD of her own mixes and decides to enter the genre of...