Big Bang delivered a long-awaited return to the global stage at Coachella Valley Music and Arts Festival on Sunday, turning its Outdoor Theatre set into both a celebration of its legacy and a statement of intent. In its first appearance at the festival after a planned 2020 performance was canceled due to the COVID-19 pandemic, the trio’s hourlong set carried added weight as Big Bang approaches its 20th debut anniversary this year. “It took us a long time to get here,” said G-Dragon. “B to the I