Tomorrow X Together reflected on their debut appearance at Lollapalooza ahead of returning to the festival as headliners yesterday (August 5).The five-piece boyband were the first Korean act to ever perform at the Chicago festival, appearing on the Solana x Perry stage. This year, they became the first Korean group to headline the festival.In the band’s recent Disney+ documentary Our Last Summer, rapper Yeonjun expressed that he wasn’t “sure if we should be” on the line-up.