It is being organised by Joanne Hearsey, a fitness instructor better known as Joe, who runs Joe’s Fun Fitness classes across the city. She hopes the flash mob will be a confidence-boosting experience for women of all ages and abilities and encourage others to try something new. (Image: Supplied)The flash mob is expected to attract 30 to 40 dancers who are currently practising moves to three different songs in Joe’s Fun Fitness classes. Joe's Fun Fitness class at Morton Manor. Joe encourages people to come along and keep an eye out for the flash mob on Saturday, August 8 in Carlisle city centre.