Live broadcast of Music classes is being one of the ideal options for people to learn music due to this very cause. The advantage with live streaming of lessons is that they attract only the truly interested viewers that is the people who are willing to go the distance to learn. These form a steady audience which eliminates the pressure of building one.
So, all you need to do is make the usage of your content on social media the right way so that a large audience comes to know about the music classes. If you are an individual trying to take your business online make sure you have a Facebook Account or Page with a considerable number of followers in it. Keep your audience updated about the launch of your Music classes online, the timings, and where the live streaming is going to be.