The Grand National Tour is an ongoing co-headlining concert tour by American rapper Kendrick Lamar and singer-songwriter SZA. It is in support of Lamar's sixth studio album, GNX, and SZA's first reissue album, SOS Deluxe: Lana. From Wikipedia
Singh’s apology to Drake over attending Kendrick Lamar’s Toronto show coincides with Drake’s escalating legal battle against Universal Music Group.