Assemble24

On February 3 and 4, 2024, TripleS held their "tripleS Authentic in Seoul" concert. The first day featured performances by two sub-units, Lovelution and Evolution. The second day featured all 20 members that had been introduced. TripleS also announced in the concert that the full group composed of 24 members will debut with "Assemble24".^[5]

On April 1, 2024, TripleS announced their final four members, started with the 21st member Kim Chae-won.^[6] This was followed with the introduction of the group's 22nd, 23rd and 24th members Sullin, Seoah, and Jiyeon to complete the group's full line-up. The four members aforementioned would be under one of the group's new unit Glow, for potential future activities.^[7][8]

TripleS made their full team debut with the first studio album Assemble24 on May 8, 2024.^[9] The album contains ten tracks with the lead single "Girls Never Die".^[10] The full group took their first music show win on May 14, 2024, through The Show.^[11]

"S", an introductory track, blends pop metal guitar and R&B-pop.^[12][13] The title track "Girls Never Die" delivers "early 2000s dance grooves" with synth and bass.^[14] It describes persevering through struggle, and viewing it as chances to grow and value experiences. "Heart Raider" has a liquid garage beat and tells the story of a crush on a friend. "Midnight Flower" is bubbly pop rock song^[13] with a foundation of beats and guitars reminiscent of the 1980s.^[14] "White Soul Sneakers" is an afrobeat^[13] and acid funk song. "Chiyu" is a simple, mellow track.^[14] "24", the follow up to the earlier TripleS track "Rising",^[12] has "the members hyping themselves up".^[13] "Dimension" is arranged in a new jack swing style.^[12] Overall, Assemble24 lyrically contains floral imagery, using it as a symbol of strength and also of TripleS.^[13]

More information Review scores, Source ...

Professional ratings

Review scores
Source	Rating
IZM[12]
NME[13]
Sputnikmusic[14]

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Following its release, music critics gave Assemble24 positive reviews. It received praise for its diverse range in genre, which Han Seong-hyeon, writing for IZM, expressed as TripleS bringing "music from all over the world to the center of Seoul".^[12] Raul Stanciu of Sputnikmusic described it as a "successful blend" of their previous music, observing some similarity to Loona in the "bubbly, retro futuristic synth pop with occasional RnB type vocals".^[14] Rhian Daly, writing for NME, characterized Assemble24 as "wide-ranging yet cohesive" with each track designed to fit TripleS.^[13] It also received praise for its themes of strength and unity.^[13][12]