The Grand National Tour is an ongoing co-headlining concert tour by the American rapper Kendrick Lamar and singer-songwriter SZA in support of Lamar's sixth studio album GNX and SZA's first reissue album SOS Deluxe: Lana. From Wikipedia
Featuring elaborate stage art, whimsical garden-themed sets, deposition-style video nods to Lamar’s feud with Drake, the San Francisco performance propelled the tour toward its May 31 Las Vegas date.