Well it's not commonly known but Chinese businessmen love arts and crafts but they believe people will laugh at their needle point and clay sculptures and they would loose face. So these special KTV's were created where men could pay to have one on one class time with masters of various hobbies in private rooms where they are safe from judging eyes.  The sad part is that these KTV's are so popular, that it's a shame the business don't realize how many people enjoy activities such as making friendship braclets and that they have nothing to be so embarassed about.

Learning the words to their favourite song? Sort of lip sync maybe???

Private singing lessons

The girl will be practicing how to handle and play the flute I have been told. i think this is the reason they prefer Western men as with the locals it is more like practicing on a piccolo.