Dazzling entertainment, music acts, stalls, crafts and more than 30 beers and ciders.
The West Riding Refreshment Rooms is holding its first music festival in 10 years.
And organisers said it will be bigger and better than anything they have done before.
The charity beer and music festival kicks off tomorrow (Friday) from 2pm, with the pub offering a sneak peak of the beers and ciders they have on offer.
Eureka Machines will headline the event and will be joined by a host of bands, including the Cardboard Cowboys and Culturege.
Live music will begin in the pub car park from 6pm tomorrow (Friday).
Family entertainment, including face-painting and market stalls, will also be offer from noon on Saturday and Sunday in addition to live music.
Marketing events manager Rebecca Whiteley joked it was about time the pub held an event after a ten-year break.
“We wanted to do something really positive for Dewsbury,” she said.
“It is great to have an event close to the town centre that everyone can enjoy over the whole of the weekend. There is something for everyone.”
The event will raise money for Kirklees Music School, which teaches to more than 5,000 children in the district.
Mrs Whiteley said local businesses will also have stalls at the event.