Global band hrtz.wav (HaatzWave) is hinting at an intense sound that will strike the hearts of youth, drawing heated reactions from fans.
Kakao Entertainment (co-CEOs Kwon Ki-soo and Jang Yoon-jung) released the concept film for the first mini album 'The First Wave (The First Wave)' at 12:00 a.m. on the 20th via hrtz.wav (HaatzWave)'s official SNS and YouTube channel.
The video shows the five members — Yoon Young-jun (keyboard), Rian (vocal), Dane (bass), K-Ten (guitar) and Hagiwa (drums) — completing a single sound. Having finished their visual transformations for debut, the members continue the group's "ignition" in their own ways, from K-Ten's first guitar stroke to pressing the play button and gripping the microphone tightly. When hrtz.wav (HaatzWave) finishes tuning their instruments and setting up equipment and the spotlight turns on, Hagiwa's drums boom like a signal flare and complete the intense band sound, heralding the opening of their era as a "global iconic band."
Despite the short length of the concept film, the energetic band sound completed in the video leaves a strong impact, and explosive fan reactions followed immediately after its release. In particular, the familiar yet addictive melody line meshes with the members' playing to come alive more three-dimensionally, hinting for the first time at the mood of the new songs on the debut album and raising global fans' expectations.
The video also features the phrase "READY TO WAVE. TO THE FIRST WAVE (ready for the first wave)," revealing hrtz.wav (HaatzWave)'s exceptional ambition and confidence as they finish preparations for launch. Even from this first released video, curiosity is growing about what kind of musical colors and concepts hrtz.wav (HaatzWave), just beginning now, will use to create a powerful "first wave."
hrtz.wav (HaatzWave) will hold a debut commemorative fan showcase at the Culture Depot performance hall in Mapo District, Seoul, on the day of their debut, April 8, and plans to assert a differentiated presence in the band scene and pop music industry with stages that foreground the team's strength in live performance. When the debut album release news and the fan showcase were announced simultaneously, album preorders and showcase applications followed rapidly, proving strong interest. In addition, every piece of content released, including concept photos and films, has drawn fans' approval with sophisticated visuals and high quality, sustaining explosive interest in hrtz.wav (HaatzWave). Attention is focused on hrtz.wav (HaatzWave)'s well-made performances as they accelerate preparations for debut amid global fans' expectations.
hrtz.wav (HaatzWave) is a talented band formed through Mnet's survival show Still Heart Club, and members Yoon Young-jun, Rian, Dane, K-Ten and Hagiwa each ranked first by position, building a solid global fandom even before debut. They have also been listed on major domestic and international festival lineups early on, including 2026 Awesome Music Festival and KCON JAPAN (KCON JAPAN) 2026.
The debut album The First Wave by hrtz.wav (HaatzWave), a youth band equipped with exceptional ability, visuals and trendy sensibility, will be officially released online and offline at 6 p.m. on April 8.
[Photo] Provided by Kakao Entertainment
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