This is the fouth video in the Beginner's Music Theory series.

In this lesson we talk about what the letters of the musical alphabet are, and a little bit a bout why use the system of sharps and flats. What does Gregorian Chant have to do with our modern system of music? Watch and find out!

We talk about:
• The musical alphabet
• The early church scales
• Guido d'Arezzo

Video is in HD 1080p (click on the "settings" gear icon and select 1080 from the "quality" menu)!