Understanding Musical Intervals and Triads

This video tutorial covers the basics of music theory, focusing on intervals, chord construction, and the circle of fifths. It explains the types of intervals, their properties, and how they form the foundation of polyphonic music. The tutorial also delves into enharmonic intervals and chord construction, including major, minor, augmented, and diminished triads. Additionally, it introduces the circle of fifths for understanding key signatures and emphasizes the importance of ear training for developing relative and perfect pitch.

What is a melodic interval?

• A chord with three notes

• A single note played repeatedly

• Two notes played one after the other

• Two notes played simultaneously

Which of the following is a perfect interval?

• Sixth

• Second

• Fourth

• Third

How many half steps are there in a perfect fourth interval?

• 4

• 5

• 7

• 6

What is the interval between C and A if there are nine half steps?

• Augmented fourth

• Diminished fifth

• Major sixth

• Minor sixth

What is an enharmonic interval?

• An interval that is always diminished

• An interval that sounds different but is named the same

• An interval that sounds the same but is named differently

• An interval that is always perfect

What is the structure of a major triad?

• Minor third on the bottom, major third on top

• Major third on the bottom, minor third on top

• Two major thirds stacked

• Two minor thirds stacked

Which triad has a perfect fourth interval with a major second interval on top?

• Suspended two triad

• Suspended four triad

• Phrygian triad

• Lydian triad

What is the relative minor key of G major?

• B minor

• D minor

• A minor

• E minor

In which order do sharps appear in key signatures?

• F#, C#, G#, D#, A#, E#, B#

• B#, E#, A#, D#, G#, C#, F#

• C#, F#, G#, D#, A#, E#, B#

• G#, D#, A#, E#, B#, F#, C#

What skill is developed by identifying an interval based on a reference tone?

• Perfect pitch

• Relative pitch

• Absolute pitch

• Harmonic pitch