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■ Dangerous - The Essence of Emotional Disco Funk Proving a 15-Year Infinite Narrative by INFINITE

Celebrating their 15th anniversary, the group INFINITE clearly validates the semiotic narrative held by the number '8' and the infinity symbol (∞) through "Dangerous," the title track of their eighth mini-album, 'LIKE INFINITE.'

Designed at 116 BPM with a 'Hard' difficulty level in rhythm games, this track transcends the simple framework of synth-pop, showcasing a sophisticated arrangement of Disco Funk. The session, led by producers GARDEN and hitbypitch, organically combines a bassline featuring standout slap techniques, Bang In-jae’s sensuous electric guitar riffs, and delicately layered synthesizers, infusing the entire track with a relentless sense of forward momentum.

The colorful vocal ensemble of the six members—Kim Sung-kyu, Jang Dong-woo, Nam Woo-hyun, Lee Sung-yeol, L, and Lee Sung-jong—adds the signature flexibility of Disco Funk to INFINITE’s trademark dramatic harmonies, igniting both refreshing coolness and burning passion simultaneously. This is complemented by their signature "knife-like" choreography, perfected in collaboration with choreographer ADDM, creating a flawless synergy with the auditory rhythm.

Furthermore, within the rhythm game platform, "Dangerous" implements the impact points of the 4-beat kick drum and groovy bass through a precise barrage of notes, offering players an immersive experience as if they have become one with the artists on stage.

■ Clink Clink - Tropical Pop Crossing a Sunset Beach and a 4-Member Vocal Ensemble by WSG WANNABE (OASISO)

"Clink Clink," by the unit OASISO (Yoon Eun-hye, Kota, Park Jin-joo, Jo Hyun-ah) formed through MBC’s 'Hangout with Yoo' music project, is a medium-tempo dance-pop track completed by a collaboration between top K-POP producer KENZIE, Coach & Sendo, and a global team of composers. Over a relaxed 110 BPM tempo, Park Sung-bum’s sensuous guitar riffs and sophisticated synth lines engage in a rhythmic push-and-pull, heightening the exotic and refreshing resort vibe, reminiscent of a drive along the beach at sunset.

The vocal composition of this track boldly breaks away from the mold of conventional K-POP dance songs. Instead of relying on high-note competitions or provocative singing by a specific main vocalist, it adopts a multi-layering structure that stacks the unique vocal colors of the four members. Through this, the members' voices function as an 'arranging instrument' that modulates the temperature of the entire song rather than just simple singing. The funky groove, which flows smoothly without being overly pushy, grants the track an attractive sense of ease.

Furthermore, within the rhythm game platform, "Clink Clink" translates its unique refreshing sensibility into a tactile experience. The synth lines and clear vocal delivery, which smoothly cross between on-beat and off-beat, mesh with precise note strikes, allowing players to feel the light pleasure and delicate auditory and sensory satisfaction of clinking glasses at their fingertips, just like the song title suggests.

■ Rocking - High-Speed Electro Dance Exploding on a Rapid Beat and the Aesthetics of Free Step by TEEN TOP

Produced by Brave Brothers and Elephant Kingdom, TEEN TOP’s "Rocking," the title track of their mini-album 'TEEN TOP CLASS,' is a high-speed electro dance track that proves the extremes of K-POP performance sound. Designed at 127 BPM with an 'Expert' difficulty level in rhythm games, this track features a powerful club beat infused with hip-hop and dubstep elements, layering heavy electronic low-ends to showcase an overwhelming arrangement structure that surges from start to finish.

Following the tight rap opening by L.Joe, the high-pitch vocal spectrum that tightens the reins on the tempo and fires off the rhythm combines with heavy kick drums to drive the energy forward without compromise. In particular, this track was planned and designed to perfectly support the auditory experience of TEEN TOP’s trademark, high-difficulty 'Free Step' choreography. Just as it corresponds to the dazzling footwork on stage, the rhythm game platform pushes the player’s control and reflexes to the limit with a storm of continuous strike notes and precise 16-beat split patterns. The explosive impact and sense of speed delivered to the fingertips over the non-stop beat provide a perfect immersion created by the correspondence between auditory catharsis and visual notes.

■ BEAUTIFUL MONSTER - Dramatic Lyricism Created by the Intense Contrast Between Acoustic Guitar and 808 Bass by STAYC

"BEAUTIFUL MONSTER," the title track of STAYC’s third single 'WE NEED LOVE,' was completed through the collaboration of High-Up Entertainment’s representative producers Black Eyed Pilseung, Jeon Goon, and FLYT. Weaving together the brilliant happiness brought by the emotion of love and the distant fear lurking behind it, this track unfolds a stark sound contrast through Jung Jae-pil’s acoustic guitar riffs and FLYT’s heavy 808 bass within the dense frame of a 156 BPM 'Master' difficulty level.

The acoustic guitar that opens the song sets the mood with its uniquely warm and lyrical temperature, and from the following B-part, the 808 bass firmly supports the low end, creating deep tension and a three-dimensional sense of space. Passing through the pre-chorus, which builds the narrative with a restrained tone, the chorus reaches a climax where the vocal prowess of all members—led by Yoon—explodes, delivering a magnificent whirlpool of emotions.

On the rhythm game platform, "BEAUTIFUL MONSTER" is reborn with delicate long notes that perfectly absorb the dynamics of the sound and tension-filled patterns matched to the heavy impact points of the 808 bass. Through precise controls brushing against their fingertips, players fully experience the moments of fear and courage that bloom within the massive whirlpool of love.

■ KNOCK - Funky Bass Knocking on the Heart’s Door and Solid Speed with Unrivaled Diction by LEE CHAE YEON

"KNOCK" by Lee Chae Yeon, with lyrics, composition, and arrangement by Seo Yong-bae and YUJUYI, is the title track of her second mini-album 'Over The Moon,' a powerful dance track that puts a proactive and honest, confident message at the forefront. The iconic knocking sound effect that opens the song clearly imprints the progressive narrative and concept of "not waiting, but knocking on the other person's heart directly."

Over a high-speed frame of 139 BPM, a bouncy funky bass and an impactful electronic dance beat combine to infuse unstoppable, powerful momentum. Added to this is Lee Chae Yeon’s rhythmic vocal delivery, which precisely inserts her voice into every corner of the beat with short phrases and clear consonant articulation. This completes a precise rhythm system where the singing, performance, and accompaniment beat are perfectly locked together.

From the perspective of a rhythm game platform, "KNOCK" is a track that guarantees supreme tactile satisfaction and gameplay fun. The clear impact points of the signature hook and the dense beat divisions created by the funky bassline offer a thrilling rhythmic pleasure and intense catharsis that erupts when the player accurately hits the continuous notes.

■ Conclusion: Rhythmic Physicality Completed by Percussive Grooves and a Spectrum of Tempos

The core theme permeating this week’s Mstar Archive playlist is 'Rhythmic Physicality completed by percussive grooves and a spectrum of diverse tempos.' From INFINITE’s "Dangerous," which offers the mature ease of Disco Funk, to OASISO’s "Clink Clink," which holds the refreshing vibe of a sunset beach, TEEN TOP’s "Rocking," which tests limits with high-speed Free Step beats, STAYC’s "BEAUTIFUL MONSTER," which explodes emotions through the contrast of acoustic and 808 bass, and Lee Chae Yeon’s "KNOCK," which pushes forward with a funky knocking beat—these five songs form unique sound structures while traversing different genres and BPM (110–156) spectrums. The musical link that binds these five songs together lies in the intense impact created by the elastic low-end sound centered on basslines and drum kicks, along with clear vocal diction. The groove and rhythm system built into each song do not stop at stimulating the player's hearing but become unified with the physical reaction of the fingertips striking the keys on the rhythm game board. This moment, where the auditory narrative, visual nodes, and the intuitive touch of the fingertips interlock, is the true value of the rhythm game track archive, where real-world music is reborn as the player's physical performance on a virtual stage.