'How Did Child Singers Angelina Jordan, Amira Willighagen Learn to Sing Like Adults? By Studying at "YouTube University"

Before YouTube, it was unlikely that a nine-year-old would teach herself to sing opera, or a young Norwegian girl would learn to croon a jazz standard like Billie Holiday. But YouTube has become a repository for music of all styles and ethnicities, giving everyone an instant listening library at their fingertips. You might want to call it "YouTube University."