Liam Gallagher teases 'possible' Oasis Celtic Park show amid 2027 tour buzz Liam Gallagher has sparked fresh speculation about a 2027 return to Scotland for Oasis after hinting online that a Celtic Park concert could be on the cards. 13 May 2026 Liam Gallagher has once again sent fans into meltdown after dropping a cryptic hint about playing Celtic Park in Glasgow during a future Oasis tour.