Original: Alfred's Essentials of Music Theory, Book 3. Lesson 69. Andrew Surmani. Viola sheet music. Alto Clef. Viola. Edition.
Oversettelse: Alfreds Essentials of Music Theory, Bok 3. Leksjon 69. Viola noter. Alfreds Essentials of Music Theory, Bok 3. Violet. For Alto Clef.