What a shame you had such a disappointing first class, i agree with the others you need to tell the owners what the classes are like, I am sure they would appreciate your honesty, they would not like to lose business or their reputation because of the bad service by employees. I go to a class every week and I have learnt a lot, i have also learnt from Jenny and others on youtube but it is not quite the same as having an experienced teacher giving you instruction.