Heavy Serenade
A six-track mini album with the title track “Heavy Serenade”.
South Korea
JYP Entertainment’s girl group exploring genre combinations through MIXX POP.
NMIXX introduced “MIXX POP” with AD MARE: an approach that brings contrasting genres into a single song. The debut release pairs “O.O” with “TANK,” establishing the group’s interest in changes of rhythm, texture and performance.
Checked Sep 25, 2026. Historical videos may feature an earlier lineup.
The most recent confirmed entries in our release guide.
A six-track mini album with the title track “Heavy Serenade”.
South Korea
Start at the beginning. Follow NMIXX through 6 selected chapters.
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AD MARE introduced NMIXX and the group’s MIXX POP approach. “O.O” is the starting point for understanding a catalogue interested in combining contrasting musical ideas within a single track. Keep that principle in mind as the later chapters try different balances between melodic continuity and abrupt changes.
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The lead single from expérgo combines rhythmic rap, R&B vocal lines and prominent percussion. Its subject is connection: learning to love oneself makes it possible to connect with someone else. That gives NMIXX’s mixing approach an emotional purpose, while the surrounding album develops a story about awakening people to difference and possibility.
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DASH introduces the Fe3O4: BREAK chapter, whose official presentation centres on moving beyond limits and fixed assumptions. It gives the journey a clear new phase after the early singles. The next Fe3O4 record continues the same broader story, allowing these releases to be explored as connected projects.
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Fe3O4: STICK OUT continues the series while changing the musical ingredients. JYP describes “See that?” as a combination of old-school hip-hop and country. That makes it a particularly useful stop for understanding MIXX POP as an adaptable method, rather than a label for one fixed sound.
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The first full album places “Blue Valentine” at its centre. JYP’s notes emphasise shifting rhythms, a recurring chorus and a call-and-response structure. It is a useful comparison with the debut: the interest in contrast remains, but a longer album now gives those ideas more room to develop.
JYP Entertainment · Watch on YouTube ↗
Heavy Serenade · EP / Mini Album
The title track combines trance, acid and drum-and-bass elements before building toward a rock-driven final chorus. Its official notes also credit HANRORO’s lyrical contribution. This is a recent example of NMIXX’s mixing principle applied to an emotional arc, with changes in sound helping the song build toward its conclusion.
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Selected catalog entries and confirmed upcoming releases.
A six-track mini album with the title track “Heavy Serenade”.
South Korea
The debut single release, including “O.O” and “TANK.”
Original release