The devil appears frequently as a character in works of literature and popular culture. In Christianity, the figure of the devil, Satan, or Lucifer personifies evil.
The musical interval of an augmented fourth (also called a diminished fifth or a tritone) was called the Devil's Chord (Latin: Diabolus in musica – the Devil in music) and was banned by the Roman Catholic Church in the Middle Ages. Composers avoided the interval, and although it is sometimes found in secular music of the time, it was used in religious music only in very specific circumstances until the existing system of keys came into use.
The Devil is featured as a character in many musical representations from the Middle Ages to modern times. Hildegard of Bingen's 11th-century Ordo Virtutum features him, as do several baroque oratorios by composers such as Carissimi and Alessandro Scarlatti. During the 19th century, Gounod's Faust, in which the Devil goes by the name Mephistopheles, was a staple of opera houses around the world.
Highly virtuosic violin music was sometimes associated with the Devil. Tartini's Devil's Trill sonata and Paganini's Devil's Laughter caprice are examples. The theme is taken up by Stravinsky in the "Devil's Dance" from The Soldier's Tale.