H1-KEY evokes youthful nostalgia with 'It Was Summer' in Boryeong
H1-KEY delivered an unforgettable performance of 'It Was Summer' at the K-Pop Super Live during the Boryeong Mud Festival, capturing the essence of youth.
The Boryeong Mud Festival, sweltering under the intense summer heat, was filled with the voices of H1-KEY. Performing on the 'K-Pop Super Live' stage on August 4, 2026, H1-KEY provided the audience with an unforgettable moment through their song 'It Was Summer,' a track that perfectly captures the essence of the season.

Under a clear blue sky, the performance aligned seamlessly with the song's narrative. Through the music, H1-KEY forged an emotional connection with the crowd, singing of the days spent dreaming and the brilliance of those fleeting moments. The melody flowing across the stage transcended a simple seasonal song, instead evoking the cherished pages of youth that many hold dear in their hearts.
Vivid laughter amidst frozen time
The lyrics delivered by H1-KEY carry a message that even as time flows and waves roll in to erase all traces, the memories of shared laughter remain vivid. By singing of a "summer where time seems to stand still," the group moved listeners by reflecting on the preciousness of days that can never be reclaimed.
In particular, the repetitive refrain, "You were my summer," pierces through the core emotion of the song. Rather than simply referring to the season, the line feels like a tribute to the people with whom one shared life's most brilliant moments. Through this performance, H1-KEY demonstrated the finitude of youth and the enduring value of the eternal memories that bloom within it.
A song for the summers yet to come
As the performance drew to a close, H1-KEY maintained a poignant sentiment, recalling those bygone days at the end of the season. Even if time passes like a midsummer night's dream, their confession—that these memories gather to become the 'summer' that ultimately makes one's life shine—left a deep impression on the audience.
Held under the scorching Boryeong sun, this performance once again reaffirmed H1-KEY's unique musical identity. Their song, performed at the edge of summer, concluded by both reminiscing about the past and offering the courage to welcome the seasons to come.