Songs with satisfying key changes: classic J-POP and Japanese tracks where the mood and impression shift naturally
There’s a technique called “modulation” that’s used when you want to dramatically change a song’s scene or mood partway through.
If we were to explain modulation in depth, it would be enough to fill an entire music theory book, so I’ll skip the details here.
The most common pattern is raising the key for the final chorus to heighten the excitement.
There are also songs that, for example, modulate only in the pre-chorus to catch the listener off guard, as well as songs that skillfully modulate repeatedly while still sounding natural, using subtle modulation techniques.
This time, I’ve picked out a few songs where the modulations feel particularly pleasing or are especially well crafted.
If this article sparks your interest in modulation, please explore further by searching online.
Understanding how songs are put together will surely open up a whole new way to enjoy music!
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Songs with satisfying key changes: Classic J-POP and Japanese hits where the mood and impression shift naturally (21–30)
A bouquet of flowers with loveSuperfly
This is Superfly’s fourth single, released in February 2008.
After the interlude, the song features a C-melody section that makes extensive use of English lyrics, followed by a whole-step modulation that shifts the key from B-flat to C.
It’s a relatively common pattern where the key rises for the final chorus, but thanks to Ochi’s expansive vocal delivery and Takui’s exemplary lyrics, the modulation feels seamless and pleasing rather than abrupt, making it a track you can truly enjoy.
Secret of my heartKuraki Mai
It was released in 2000 as Mai Kuraki’s third single.
The song was used as the ending theme for the Yomiuri TV/Nippon TV anime Detective Conan, and its theme is “a secret you can’t tell anyone.” It’s a song about how, at the time of her debut, she couldn’t bring herself to tell her friends that she was Mai Kuraki.
It became her second best-selling single.
That key change right as the chorus starts feels great no matter how many times you hear it, doesn’t it?
Songs with satisfying key changes: Iconic J-pop and Japanese tracks where the mood and impression shift naturally (31–40)
SubtitleOfisharu Higedan Dism
Official HIGE DANDism has been releasing hit songs one after another.
The piece they wrote specifically as the theme song for the drama “silent” is “Subtitle.” It’s a mid-tempo ballad that sings about affection that doesn’t easily get through to the other person, and the wish that it could be displayed and conveyed like subtitles.
The modulations are particularly striking, placed at each point where the song swells.
In particular, the section near the end where the tempo slows uses modulation to further emphasize the song’s message.
KanadeSukima Suichi
It’s Sukima Switch’s second single, released in March 2004.
In this song, the key change occurs after the bridge (the C section) following the instrumental break: the chorus modulates up a minor third from B-flat to D-flat.
By making frequent use of the note F—common to both keys—throughout the C section, the transition avoids feeling forced and achieves a smooth modulation.
Even when modulating, the choice of destination key and the melodic crafting that leads into it make this track a great reference.
Even if you don’t understand such technical details, you can still fully enjoy how the development after the instrumental break feels intriguingly fresh.
MiracleGReeeeN
GReeeeN’s “Kiseki,” which became a massive hit after being chosen as the theme song for the drama ROOKIES.
Because it flows so naturally and you can listen straight through, you might not notice where the key change happens, but the technique of parallel keys is used at the transition from the pre-chorus to the chorus.
This is a modulation where, even though the same set of notes is used, it strangely sounds like two patterns: one “brighter” and one “darker.” Simply shifting the starting note allows for a very natural modulation.
MelissaPorunogurafiti
It was released in 2003 as Porno Graffitti’s 12th single.
The song was used as the opening theme for the anime Fullmetal Alchemist, beginning with a bass intro and blending both poignancy and intensity.
Created around the theme of “self-sacrifice,” it features a smooth, satisfying key change when transitioning from the chorus back to the verse.
I want to hug you.Mr.Children
This is the second single by Mr.Children, a monster band known for their overwhelming scale, and a quintessential love song that represents the 1990s.
Although sales were modest at the time of its release, it gained popularity after the band’s breakthrough and became widely recognized—even being featured in the Reiwa era.
Its simple, highly relatable lyrics resonate straight to the heart.
The structure moves from the intro into a key change for the vocals, uses B-flat in the chorus, and modulates to C in the final chorus, delivering that uniquely reassuring, soaring Mr.Children melody.
The climactic lift in the last chorus—almost a textbook move—is excellent, and the natural modulations that enhance the song’s appeal are truly captivating.
