hrtz.wav presents J-POP cover stages, from LiSA to YOASOBI

The group hrtz.wav has released a live video covering various songs from Japanese popular music (J-POP). In this video uploaded through the 1theK Originals channel, hrtz.wav presented reinterpretations of songs by various artists in their own color.

From LiSA to YOASOBI, a diverse J-POP repertoire

According to the timeline and composition of the released video, hrtz.wav covered a total of 5 J-POP songs. The first song is LiSA's '紅蓮華', known as an OST for the animation 'Demon Slayer: Kimetsu no Yaiba', followed by JO1's 'BE CLASSIC'. The stages continued in order with 中島美嘉's 'GLAMOROUS SKY', King & Prince's 'Theater', and YOASOBI's 'あの夢をなぞって'.

According to the audio records in the video, hrtz.wav composed their stages by following the lyrics and melody of each song. In JO1's song, they revealed a sense of rhythm along with the lyrics 'Classic', and in King & Prince's song, they performed a stage including lyrics such as 'Welcome to our theater'. In the final song by YOASOBI, they continued the flow of the song, including a lyric section listing days of the week (Sunday, Monday, etc.).

Cover live delivered through 1theK Originals

This video was produced as part of the 'REAL hrtz.wav' series, which is original content from 1theK Originals. The video captures the process of hrtz.wav covering songs by various J-POP artists, and the total length is 501 seconds. The video was uploaded through the 1theK Originals YouTube channel on September 15, 2026.