"Musica Proibita" (Forbidden Music) is a popular Italian song composed by Stanislao Gastaldon. Originally composed in 1881 as Opus 5, this piece gained fame as a salon song. It is known for its simple yet expressive melody and passionate lyrics that speak of forbidden love and longing. The melody of "Musica Proibita" is catchy and emotional, which has helped make the song a favorite among both singers and audiences. It is an excellent example of the romantic Italian song tradition of the late 19th century.