On The Path is an iPad app featuring lessons by teachers from Scott Tennant to Richard Thompson.
This site listed several performing arts documentaries. However, how many are kosher to be on it? I couldn’t tell you.
Parkinson’s Choir: Speech therapist Merrill Tanner works with people suffering from Parkinson’s disease, a disease that robs people of their voices. Singing helps them get their voices back.
Jazz guitarist Lionel Loueke explains his tuning and style. (must watch)