With less than a month to go to the Manx Telecom Bay Festival, the organisers are looking for guinea pigs!
Two hundred and fifty people are needed to go 'back stage' to the main arena, the night before the first headline acts, and 'stress test' the festival infrastructure.
Volunteers will have the chance to test many aspects of a major music festival, including staffing levels and parking arrangements, and the sound equipment and lighting.
A live band will play a 30 minute set as part of the exercise.
Promoter Jamie Irving says it's a rare opportunity (play audio file):
You can find out more about the Thursday night warm-up act at www.bayfestival.im