Source cue

Diegetic music, also called source music, is music that is part of the fictional world portrayed in a piece of narrative media (such as a film, show, play, or video game) and is thus knowingly performed and/or heard by the characters. This is in contrast to non-diegetic music, which refers to incidental music or a score that is heard by the viewer but not the characters, or in musical theater, when characters are singing in a manner that they would not do in a realistic setting.

Etymology

The term refers to diegesis, a style of storytelling. In her 1987 work '' Unheard Melodies'', Claudia Gorbman was influential in establishing the terms "diegetic" and "non-diegetic" (derived from narrative theory) for use in academic film music studies. From there, its usage spread to other disciplines.

Film

Source music was sometimes used as scores from the earliest days of Hollywood talkies, in some cases—such as '' The Public Enemy'' (1931)—using it to the exclusion of any underscoring; or in ''Touch of Evil'' (1958), where there is proportionately more source compared to underscore.Gorbman, Claudia. ''Unheard Melodies: Narrative Film Music'' (1987)

In Britain, from 1940 onwards, there was a trend for including specially composed piano concertos (dubbed 'Denham Concertos' by Steve Race after the film studios) into films as part of the plot. An early example was Jack Beaver's 'Portrait of Isla' from the score for the 1940 Edgar Wallace film '' The Case of the Frightened Lady''. Here, the piano is actually played by lead actor Marius Goring (an accomplished pianist) as Lord Lebanon. A year later, Richard Addinsell's much more famous '' Warsaw Concerto'' appeared in the film ''Dangerous Moonlight'', in which a piano virtuoso plays a concerts and recalls composing the concerto while the Germans bomb London.

Songs are commonly used in various film sequences to serve different purposes. They can be used to link scenes in the story where a character progresses through various stages toward a final goal. If it is synchronized with the action, as in the "Good Morning" dance sequence from ''Singin' in the Rain'', it is said to be Mickey Mousing.

Source and background music

If the characters in the film can (or could) hear the music the audience hears, then that music is called ''diegetic''. It is also called ''source music'' by professionals in the industry. It is said to be within the narrative sphere of the film. For instance, if a character in the film is playing a piano, or turns on a CD player, the resulting sound is diegetic. The cantina band sequence in the original ''Star Wars'' is an example of diegetic music in film, with the band playing instruments and swaying to the beat, as patrons are heard reacting to the second piece the band plays. In road movies where the characters are traveling by car, we often hear the music that the characters are depicted as listening to on the car stereo.

By contrast, the background music that cannot be heard by the characters in the movie is termed ''non-diegetic'' or ''extradiegetic''. An example of this is in ''Rocky'', where Bill Conti's "Gonna Fly Now" plays non-diegetically as Rocky makes his way through his training regimen, finishing on the top steps of the Philadelphia Museum of Art with his hands raised in the air.

Variations

A combination of these concepts in film sound and music is known in the industry as ''source scoring''—a blending of diegetic source music, such as a character singing or playing an instrument, with non-diegetic dramatic scoring.

There are other varying dimensions of diegesis in film sound, for example, ''metadiegetic sound'', which are sounds imagined by a character within the film, such as memories, hallucinatory sounds, and distorted perspectives.

Another notable condition of diegesis is ''cross-over diegesis'', which is explored in the book ''Primeval Cinema - An Audiovisual Philosophy'' by Danny Hahn, in which he describes it as "''blending/transforming a sound or piece of music from one spectrum of diegesis to another – from diegetic to non-diegetic space''". The sci-film '' 2BR02B: To Be or Naught to Be'' is an example of cross-over diegetic music in film, with Schubert's ''Ave Maria'' playing over separate shot sequences as non-diegetic music, but then later showing it to come from a gramophone in a hospital waiting room. A similar cross-over occurs in the closing scene of the HBO docudrama "Conspiracy", in which a Schubert concerto is placed on a gramophone and commented on by the characters in the room, then transforms into the incidental music for the closing credits. Music can also becomes diegetic with the assistance of audio engineering techniques, having its reverberation undergo change to match the room's characteristics and indicate a spatial location from the surround speakers. Even though ''Ave Maria'' reappears extensively as diegetic music, its inclusion was treated as non-diegetic by the film-makers, the song being a bespoke recording by soprano Imogen Coward to match the film's tone, and the film being edited to her recording. The recording itself was timed to include a layer of narrative commentary for audiences familiar with the German lyrics.

This distinction may also be made explicit for comic effect, a form of ''breaking the fourth wall''. For example, the first appearance of Kermit the Frog in ''The Muppets'' is accompanied by what initially appears to be a stock "heavenly choir" sound effect, which is then revealed to be coming from an actual church choir singing on a passing bus. The 2014 film '' Birdman'' does this several times throughout the movie, where all the music turns out to be diegetic, produced by street performers.

Opera

Examples of diegetic music in opera go right back to its beginnings - for instance the central wedding serenade in Monteverdi's ''L'Orfeo''. Stories about musicians are common in opera, and almost all operas include some level of internal performance. Wagner used the singing contest as a plot mechanism in '' Tannhäuser'' and '' Die Meistersinger'', and Bizet's ''Carmen'' makes full use of the street music and street activity of Seville. Banfield, Stephen. 'Diegetic Song', in ''Sondheim's Broadway Musicals'' (1993), pp. 184-187 ''Ariadne auf Naxos'' by Richard Strauss is an example of opera within an opera. Benjamin Britten's '' Peter Grimes'' contains a wide variety of diegetic music.

Musical theatre

In musical theatre, as in film, the term "diegesis" refers to the context of a musical number in a work's theatrical narrative. In typical operas or operettas, musical numbers are non-diegetic; characters are not singing in a manner that they would do in a naturalistic setting; in a sense, they are not "aware" that they are in a musical. In contrast, when a song occurs literally in the plot, the number is considered diegetic. Diegetic numbers are often present in backstage musicals such as ''Cabaret'' and '' Follies''.

For example, in ''The Sound of Music'', the song "Edelweiss" is diegetic, since the character (Captain von Trapp) is performing the piece in front of other fictional characters at a gathering. In " Do-Re-Mi" the character Maria is using the song to teach the children how to sing, so this song is also diegetic. In contrast, the song " How Do You Solve a Problem Like Maria?" is non-diegetic, since the musical material is external to the narrative, it being a conversation that would in a naturalistic setting take place as simple speech.

In both the 1936 and the 1951 film versions of ''Show Boat'', as well as in the original stage version, the song " Bill" is diegetic. The character Julie LaVerne sings it during a rehearsal in a nightclub. A solo piano (played onscreen) accompanies her, and the film's offscreen orchestra (presumably not heard by the characters) sneaks in for the second verse of the song. Julie's other song in the film, "Can't Help Lovin' Dat Man", is also diegetic. In the 1936 film, it is supposed to be an old folk song known only to blacks; in the 1951 film, it is merely a song that Julie knows; however, she and the captain's daughter Magnolia are fully aware that Julie is singing. When Julie, Queenie, and the black chorus sing the second chorus of the song in the 1936 version, they are presumably unaware of any orchestral accompaniment, but in the 1951 film, when Magnolia sings and dances this same chorus, she does so to the accompaniment of two deckhands on the boat playing a banjo and a harmonica. Two other songs in the 1936 ''Show Boat'' are also diegetic: " Goodbye, My Lady Love" (sung by the comic dancers Ellie and Frank), and " After the Ball", sung by Magnolia. Both are interpolated into the film, and both are performed in the same nightclub in which Julie sings "Bill".

The musical ''The Phantom of the Opera'' offers an interesting example of ambiguity in distinguishing between diegetic and non-diegetic music. At the end of Act 1, Christine and Raoul sing "All I Ask of You", and the Phantom, having eavesdropped on them, reprises the song shortly after. Narratively, there is no reason for the characters to be singing, and so these numbers would appear to be non-diegetic. However, in Act 2, within the opera "'' Don Juan Triumphant''", which the Phantom composed, not only are Christine and Raoul's words repeated, but they are sung to the same tune they used, suggesting that the eavesdropping Phantom heard them to be singing, rather than speaking, their conversation. To define "All I Ask of You" as either diegetic or non-diegetic is therefore not straightforward.

Television

In the television series ''Buffy the Vampire Slayer'', the episode entitled " Once More, with Feeling" toys with the distinction between diegetic and non-diegetic musical numbers. In this episode, the Buffy characters find themselves compelled to burst into song in the style of a musical. The audience is led to assume that this is a "musical episode", in which the characters are unaware that they are singing. It becomes clear that the characters are all too aware of their musical interludes, and that determining the supernatural causes of the singing is the focus of the episode's story. On the same show, the episode entitled " The Body" was presented without any non-diegetic music at all, in order to convey the reality of the theme of death within the family that it portrays.Halfyard, Janet. ''Music, Sound, and Silence in Buffy the Vampire Slayer'' (2017)

See also

*Diegesis
*Incidental music
*Background music
*Ambient music
* Furniture music
*Film score

References

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Film sound production
Theatrical sound production