Preston Jazz and Improvisation Festival 2021: The Show Goes On By Anthony Gilmour on 12th May 2021 The Preston Jazz and Improvisation Festival is set to raise the roof and get the whole city swinging in their living rooms. That’s because this year the festival’s world-class line-up will be available online to everyone, with every single event being free of charge. The festival, which grew out of the University of Central Lancashire (UCLan), is supported by Arts Council England, Preston City Council, the University and the local community, which has made it possible to deliver celebrated talent for everyone to enjoy.