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The Royal Road progression (王道進行, ōdō shinkō), also known as the IVM7–V7–iii7–vi progression or koakuma chord progression (小悪魔コード進行, koakuma kōdo shinkō),[1] is a common chord progression within contemporary Japanese pop music.[2]
It involves the seventh chords of IV, V, and iii, along with a vi chord; for example, in the key of C major, this would be: FM7–G7–Em7–Am.[3][2][4] The progression is also very often found with a vi7 chord in place of the vi, thereby making every chord in the progression a seventh chord.
The chord progression may be resolved with the tonic chord, for example in a IVM7–V7–I or a ii7–V7–I progression.[3] IVM7–V7–iii7–vi–ii7–V7–I creates a full circle of fifths progression in the major mode, with V7 substituting for vii°. In C major, this would be FM7–G7–Em7–Am–Dm7–G7–C.
The basic progression can be found in two versions. The first uses V7 in its third inversion (G7/F), the other uses V7 in its root position (G7).[2] The former appears in lushly orchestrated pop arrangements, while the latter appears mainly in rock and electronic music.[2]
In a minor key, there are two versions of the progression: VIM7–VII7–v7–i and iv7–v7–IIIM7–VI. The first version can be thought as an essential iv–v–v–i with the VI and VII chords substituting for the iv and v respectively, or as a VI–ii°–v–i with the ii° being substituted by the VII chord. For the second version, a cadential suffix may be added, such as iv7–V7–i or iiø7–V7–i. When resolved by iiø7–V7–i, a large progression iv7–v7–IIIM7–VI–iiø7–V7–i is created, where the v7 substitutes for the VII. In A minor, this would be Dm7–Em7–CM7–F–Bm7(♭5)–E7–Am.
Variations on the Royal Road progression may include IVM7–V7–IM7–vi, ii7–V7–iii7–vi, or IVM7–viiø7–iii7–vi for the major version, and iv7–VII7–v7–i, iiø7–VII7–v7–i, VIM7–iiø7–v7–i, or iv7–VII7–IIIM7–VI for the minor version(s).
When this progression is resolved by a ii7–V7–I cadence, it becomes IVM7–V7–iii7–vi–ii7–V7–I, a sequence of descending fifths with V7 substituting for the vii° chord. The sequence of descending fifths was used regularly in tonal music since the Baroque era.
In Western pop music, the progression can be used without the seventh notes, so that it becomes IV–V–iii–vi. If resolved by an ii–V–I cadence, this becomes IV–V–iii–vi–ii–V–I.
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The name for the progression, ōdō shinkō (王道進行), literally translates to "royal road progression". In Japanese, the expression ōdō (王道, "royal road") is used to describe an easy or painless method to do something.
An alternative term, koakuma chord progression, was originally coined by Japanese music producer Seiji Kameda on the 2014 NHK television show Kameda's Music Academy (亀田音楽専門学校, Kameda ongaku senmon gakkō). The phrase koakuma (小悪魔, lit. "little devil") is a phrase used to describe a seductive person who teases with one's feelings;[5] as the chord progression involves two major chords in succession followed immediately by two minor chords, Kameda describes the moment where the progression moves from the major dominant chord to the minor mediant chord as akin to the moment of heartbreak induced by a playful lover, hence the name.[6]
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The royal road progression was originally influenced by jazz and rock progressions originating in Western music. The earliest example of the progression in J-Pop occurs in Yumi Arai's "Yasashisa ni Tsutsumareta Nara" (1974), closely followed by Arai's "Sotsugyou Shashin" (1975), released as a hit single by Hi-Fi Set in 1975.[2] The opening of the latter song is very similar to Edward Elgar's "Land of Hope and Glory", which contains a IV−V4/2−I6−vi (F-G7-C/E-Am) progression.[2] Lowering the C in the C/E chord to B would give Em (iii), thus producing a complete Royal Road progression.[2] Even if the lineage of the progression cannot be traced back to Elgar, the basic IV-V-I-vi progression could be considered a predecessor to the Royal Road progression, and this IV-V-I-vi progression was used in the Beatles' "I Want to Hold Your Hand", a hit in Japan in the 1960s.[2]
Arai's use of the progression led to other 1970s and 1980s J-Pop artists, such as Hiroshi Madoka and Akiko Yano, using it.[2] However, the progression reached a new level of popularity after its use in Stock Aitken Waterman's Eurodisco-influenced pop tracks such as Rick Astley's "Never Gonna Give You Up" and Kylie Minogue's "I Should Be So Lucky", the latter of which was a top 10 hit in Japan.[2] In the 1990s, the immense popularity of Eurobeat in Japan furthered this trend,[2] and the chord progression became so prolific in J-pop to the point where it has become a core part of modern Japanese music.[4] As of 2023, 40% of the top twenty best selling singles of all time in Japan contain the chord progression, and between 1989 and 2019, the year's top-selling Japanese song contained the progression 23% of the time.[2] Pop music lacking the progression is often described as sounding "not Japanese". While artists' overuse of the ōdō progression can often be criticised as lacking in creative originality, the corpus of songs that become bestsellers in Japan and perform well on Japanese record charts feature plenty of tracks utilising the progression,[4] thus contributing to the conservative nature of record labels that lean towards familiar progressions over more risky experimentation.
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 | This article possibly contains original research. (February 2022) |
This is a list of recorded songs containing multiple, repeated uses of the IVM7–V7–iii7–vi and similar progressions.
Asian music
Western music
In Western music, the progression is sometimes seen without the seventh notes, or with some substitution for one of the chords in the progression. Examples include:
| Song title | Artist | Year | Progression used | Recorded key | Sources |
|---|---|---|---|---|---|
| "5:15" | The Who | 1973 | IVM7-V7-iii6/5-vi4/2 | N/A | [citation needed] |
| "Dilemma" | Nelly, Kelly Rowland | 2002 | ii7-V-iii7-vi | F major | [citation needed] |
| "Never Gonna Give You Up" | Rick Astley | 1987 | ii9-V7-iii7-vi | B♭ minor | [2] |
| "Together Forever" | Rick Astley | 1988 | IVM7-V7-iii7-vi7, IVM7-V7-iii7-vi7-ii6/5-V7-I | D major | [10] |
| Não Quero Dinheiro (Só Quero Amar) | Tim Maia | 1971 | IV-V4/2-iii-vi-ii-V-I (chorus only) | A major | [citation needed] |
| "4 in the Morning" | Gwen Stefani | 2006 | IV-V-iii-vi (chorus only) | E♭ major | [11] |
| "Titanium" | David Guetta, Sia | 2011 | IV-V-iii-vi | C minor | [12] |
| "Leave the Door Open" | Silk Sonic | 2021 | IV-V-iii-vi | C major | [13] |
| "Didn't We Almost Have It All" | Whitney Houston | 1987 | IV-V-iii-vi | B♭ major | [14] |
| "Italodancer" | Floorfilla | 2001 | VI-VII-v-i (chorus only) | E minor | [citation needed] |
| "It's Gonna Be Me" | NSYNC | 2000 | VI-VII-v-i | C minor | [15] |
| "Cruel to Be Kind" | Nick Lowe | 1979 | IV-V-iii-vi | C major | [citation needed] |
| “Starlight” | Taylor Swift | 2012, 2021 (Taylor's Version) |
IV-V-iii-vi,
IV-V-I-vi |
E major | [16] |
| "Holiday Road" | Lindsey Buckingham | 1983 | IV-V-iii-vi (chorus only) | F major | [citation needed] |
| "Peaches" | Jack Black | 2023 | IV-V-iii-vi (intro/chorus) | B♭ minor | [17] |
| "Clumsy" | All Time Low | 2020 | VI-VII-v-i | C# minor | [18] |
| "Saturn" | Stevie Wonder | 1976 | IV-V4/2-iii-vi-ii-V7-I | C major | [citation needed] |
| "Part of Your World" | Alan Menken, Howard Ashman | 1989 | IV-V4/2-iii-vi (bridge, line 1)
IV-V-III⁷-vi (bridge, line 3) |
F major | [19] |
| "Fortnight" | Taylor Swift, Post Malone | 2024 | IV-V-iii-vi | B major | [20] |
| "Ghost Town" | Benson Boone | 2021 | IV-V-iii-vi | C major | [21] |
| "Little Fury Things" | Dinosaur Jr. | 1987 | IV-Vadd4-iii7-IVadd9 | A major | [22] |
The Princess Kenny theme from South Park also used this chord progression. It contains western music imitating Japanese anime.
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Sergei Rachmaninoff's 2nd symphony features a IV–V7–iii–vi–ii7–V7–I sequence in the third movement.[citation needed]
Camille Saint-Saens' Aquarium movement from Carnival of animals in A minor, features an Am-F(Aug5)-G-E7 chord progression.
- I–V–vi–IV progression - four chord progression commonly used in Western pop music
- vi–IV–V–I progression - commonly known as the "Komuro progression" (小室進行, komuro shinkō), namesake of Tetsuya Komuro who popularised the progression.[23]
- IV–vii°–iii–vi–ii–V–I - circle of fifths progression
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