Piano tutorials
Since the birth of the internet, piano tutorials are no longer limited to the hallowed halls of academia or the family room of a local piano teacher, but are now widely available on the net with just a click or two of a search engine button.
Here are a few musical tutorials:
And of course there are many, many more.
An individual in his or her home has access to countless musical tutorials on the web — all they have to do is search a bit.