JENNIE headlined the final night of Open'er Festival in Gdynia, Poland on July 4, performing a 17-track set that included three songs the public has not yet heard. According to Billboard, the BLACKPINK member used the performance to signal that new music is on the way.
The three unreleased tracks were Lock It Down, described as a dance-pop song about a secret love affair that she first previewed at Governors Ball last month; Heaven, an emotionally charged song about heartbreak; and Less Than A Lover, a ballad she said was inspired by the summer season.
"It's a song I wrote thinking about summer," she told the crowd. "It feels really special to share new music with so many people. I really can't wait to share this new music with you soon."
The rest of the set drew heavily from her 2025 debut solo album Ruby, along with her collaborations with Tame Impala and The Weeknd. There were no BLACKPINK songs in the hour-long performance.
The timing of the festival performance comes as JENNIE continues one of the longest chart runs of any K-pop solo artist in Billboard history. Her collaboration with Tame Impala, Dracula, reached No. 1 on Billboard's Pop Airplay chart dated July 11. That marks a first for both artists on that chart.
Dracula has also peaked at No. 10 on the Billboard Hot 100 and held a position on the chart for 37 consecutive weeks as of mid-June. Ruby debuted at No. 7 on the Billboard 200 and produced five Hot 100 entries. JENNIE became the first female K-pop solo artist to place three songs on the Hot 100 simultaneously. She has logged six total Hot 100 entries as a soloist, the most of any female K-pop solo act. The album has surpassed 3 billion streams on Spotify.
Open'er Festival's final day also featured sets from Addison Rae, PinkPantheress, and Jade. Headline performances across the full weekend included Calvin Harris, Florence and the Machine, The Cure, and Nick Cave and the Bad Seeds.
