Diatonic Triads Major Scale By Ms Cummings 20162017

Diatonic Triads: Major Scale By: Ms. Cummings 20162017

Major Scales Triads • You can build a triad on every note in a major scale just by using the notes in the scale.

Major Scales Triads • These chords are identified by roman numerals OR by the name of the scale degree the triad is built on.

Roman numerals • Upper case roman numerals are used for major chords (i. e. I, IV, V) • Lower case roman numerals are used for minor chords (i. e. ii, iii, vi) • The seventh chord is a diminished chord and is represented with lower case roman numerals and a circle. (i. e. vii◦)

The Primary Triads Only three chords from the major scale are Major. They are the I chord or the tonic, the IV chord or the subdominant, and the V chord or the dominant. These are called the primary chords. Many folk, pop, and classical songs just use these three chords.

Primary Triads in C Major

What are the Primary Triads in the examples above?

Listen to the Primary Triads: 12 Bar Blues • One of the most popular chord progressions in popular music. • Uses the primary triads: I, IV, V VARIATION: Roman-numeral notation: I I IV IV I I V V I I I IV IV I I

12 Bar Blues Examples • Tutti Frutti by Little Richard • Batman Theme Song • Mercy by Duffy` LISTEN to these examples. RAISE YOUR HAND the FIRST time you hear a chord change.

Mercy Chords

The triads built just by using the notes in a minor scale also follow a specific pattern! Diatonic Minor Scale Triads

Triads Quiz Review • 1. What is a triad? • 2. In a major chord, what is the interval from the root to the third? • 3. In a minor chord, what is the interval from the root to the third? • 4. In both major and minor chords, what is the interval from the root to the fifth? • 5. In an augmented chord, what is the interval from the root to the fifth? • 6. In a diminished chord what is the interval from the root to the chord?

Triads Quiz Review • What is the roman numeral used to represent the tonic chord in a major scale? • What is the roman numeral used to represent the dominant chord in a minor scale? • What is the name of the chord built on the fourth scale degree called? • What is the bottom note of a triad called?

Homework: Scavenger Hunt • 1. Find TWO songs that use the I, IV, V chords. ONE must be in the form of the 12 bar blues. • 2. Complete the triads handout as review for your quiz on Thursday!