The person in all those videos really knows how to play the clarinet properly. He knows a variety of different techniques and is teaching them in many different ways to the audience and the people watching the videos. In each of his videos, he has focused on one main aspect and has told us everything that we need to know in a short amount of time. He has even given short exercises that can be played and will improve your abilities. He hasn’t really focused on a lot of things but the ones that he did focus on were some of the most important such as playing clearly and tonguing the notes properly with the correct fingerings.