The Dominant Seventh Chord

TL;DR

The dominant seventh chord is a dissonant but powerful chord that creates tension and leads to resolution in Western music.

Transcript

• Well, dear friends, thank you so much for coming today. The bravest of you are here because it's such a technical title, you know, for which I have no apologies. The dominant seventh chord, you can see this is the person, Jean Phillipe Rameau, who was the first to describe, theorize it. He called it something else, which I'm going to tell you abo... Read More

Key Insights

• 🎼 The dominant seventh chord is a powerful and dissonant chord that creates tension and demands resolution in Western music.
• ⏯️ The term "dominant" comes from its historical use in recitations of biblical texts, where it played a dominant role in the musical passage.
• 😥 Composers throughout history have used the dominant seventh chord to create tension, signify turning points, and propel the music forward.
• 💨 Different composers have used the dominant seventh chord in unique ways, showcasing its versatility and impact in various musical contexts.
• 🎼 Some Russian composers rejected the dominant seventh chord as a Western influence and sought to explore other harmonies that were more authentic to Russian music.
• 👂 The inversion of the dominant seventh chord can create different sounds and provide a sense of movement and complexity in music.

Questions & Answers

Q: What is the significance of the dominant seventh chord in Western music?

The dominant seventh chord is significant because it creates tension and demands resolution. It is often used to signify turning points in a composition and propel the music forward.

Q: How did composers in different time periods use the dominant seventh chord?

Composers like Monteverdi, Haydn, Beethoven, and Tchaikovsky used the dominant seventh chord in different ways. Monteverdi introduced it boldly, Haydn used it as a starting point, Beethoven emphasized its dissonance, and Tchaikovsky used it to create magical moments.

Q: Why did some Russian composers reject the dominant seventh chord?

Some Russian composers, like Glinka and Mussorgsky, rejected the dominant seventh chord as a Western influence. They sought to return to their roots and explore other harmonies, which they believed were more authentic to Russian music.

Q: How does the third inversion of the dominant seventh chord create tension in Shostakovich's music?

In Shostakovich's quartet, the third inversion of the dominant seventh chord is held by three musicians while the violin reacts with intense recitative passages. This creates a powerful and emotional sound that resolves only at the very end, creating a sense of release and resolution.

Summary & Key Takeaways

• The dominant seventh chord is formed by adding a third on top of a major triad, creating a dissonant sound that demands resolution.

• The term "dominant" comes from its historical use in recitations of biblical texts, where it was a domineering chord in the musical passage.

• The dominant seventh chord has been used by composers throughout history to create tension, propel the music forward, and signify turning points in the composition.