14 top acts you can catch at Y Not Festival this year Derbyshire’s Y Not Festival is back with a bang – with a string of top acts. Thursday, 29th April 2021, 6:00 pm After last year’s enforced hiatus, Y Not has confirmed its return in 2021 – with a string of big name acts. Jason Oakley, festival managing director, said: “After a tough year for live music, there’s finally some light at the end of the tunnel and we can’t wait to welcome everyone back to the Y Not Festival for the celebration we all deserve. “Thank you for sticking with us and we can’t wait to see you all there.”