The event, which has been called Jonah Beats, will take place at Vale Castle on Saturday 5 March.
A heated marquee will be in place and there will be a main stage and a busking stage.
The event will run from noon until midnight.
The acts performing include DJ oneofakind, BLAKALASKA, Last of the Light Brigade, Fly Casual and Buffalo Huddleston.
Tickets cost £15 and will be available in the next few days from Kendall Guitars and the Fermain Tavern. Numbers are limited to 600. Children attending should be accompanied by an adult. No alcohol can be taken in.
