Organised by the team behind Chilfest, on Saturday 8 April, bands, singers and djs will perform at David Evans Court Theatre in Tring.
All the profits raised will go to the Disaster Emergency Committee Ukraine Humanitarian Appeal.
As well as the band responsible for an all-time earworm, Dancing in the Moonlight, Rozalla & Baby D have been booked, Brandon Block is preparing a DJ set.
Chilfest is an annual festival set for its 10th anniversary this year, after back-to-back Covid-related cancellations.
Starting at 7.30pm a full evenings’ worth of music is planned, DJ Mick Brown has hosting duties on the night, a raffle has been organised, while food and drink will be on offer as well.