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Lesson 3 of 6
  • Year 9

Riffs and power chords in grunge

I can create a grunge-style riff using power chords and a bass line based on the riff.

Lesson 3 of 6
New
New
  • Year 9

Riffs and power chords in grunge

I can create a grunge-style riff using power chords and a bass line based on the riff.

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Lesson details

Key learning points

  1. A key feature of grunge (and most rock styles) is the use of riffs.
  2. Grunge riffs often use power chords, consisting of the root note and fifth.
  3. To play a power chord on the piano, we remove the middle note from a triad chord, or find the fifth note in the scale.
  4. Distortion is often added to electric guitar sounds, creating a fuzzy effect which distorts the sound.
  5. Bass lines in grunge are often based around the riff, using the root note of each chord.

Keywords

  • Riff - A riff is a short, repeated musical idea that forms the basis of a pop or rock song.

  • Power chord - A power chord is a two-note chord often used on guitars, which uses the root note and the fifth of a triad chord.

  • Fifth - A fifth is a distance of five notes. For example, the distance from C to G is a fifth.

Common misconception

Power chords are any two notes of the chord triad.

For a chord to be a power chord it has to be the root and the fifth, not the root and the third. It also needs to be a perfect fifth. If pupils are working out their own power chords on the keyboard, some chords would use the black notes.


To help you plan your year 9 music lesson on: Riffs and power chords in grunge, download all teaching resources for free and adapt to suit your pupils' needs...

Extend pupil learning by incorporating other, unlisted power chords. Pupils may want to work these out using a guitar. They could also add the octave. Simple riffs can be effective when played as power chords ie. Smoke on the Water by Deep Purple or Seven Nation Army by the White Stripes.
Teacher tip

Equipment

A DAW or other suitable compositional tool or instrument.

Licence

This content is © Oak National Academy Limited (2025), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

Lesson video

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Prior knowledge starter quiz

Download quiz pdf

6 Questions

Q1.
Which of these are typical features of grunge?

long guitar solos
Correct answer: dark lyrical themes
extended chords
complex, syncopated drum grooves
Correct answer: distorted guitar riffs

Q2.
Which of these are common features of most rock music?

Correct answer: use of riffs
Correct answer: prominent electric guitar
use of extended chords
use of samples
prominent acoustic guitar

Q3.
What is a chord?

one note
two notes played one after another
more than one note played one after another
one note played repeatedly
Correct answer: more than one note played at the same time

Q4.
A short repeating pattern in rock and pop music is called a ...

Correct Answer: riff, riff., Riff, Riff.

Q5.
Which of these is the normal structure of verse-chorus form?

intro - verse - chorus - verse - middle 8 - chorus - chorus - outro
intro - verse - verse - chorus - chorus - middle 8 - chorus - outro
intro - chorus - chorus - verse - verse - middle 8 - chorus - outro
intro - verse - chorus - verse - chorus - middle 8 - verse - outro
Correct answer: intro - verse - chorus - verse - chorus - middle 8 - chorus - outro

Q6.
In grunge, guitarists often add a fuzzy effect to their sound. This is called ...

Correct Answer: distortion, distortion., Distortion., Distortion

Assessment exit quiz

Download quiz pdf

6 Questions

Q1.
The common type of guitar chord that uses two notes is called a chord.

Correct Answer: power, Power, power., Power., power chord

Q2.
Which two notes do power chords use?

the root and third
Correct answer: the root and fifth
the third and fifth
the third and fourth
the root and fourth

Q3.
Why is a fifth called a fifth?

because it is played five times
because it is the fifth note played
because it is the fifth note down the scale from the root
Correct answer: because it is the fifth note up the scale from the root
because you always play it on the fifth guitar string

Q4.
Which note or notes would you remove from a triad chord to create a power chord?

the bottom note
Correct answer: the middle note
the top note
the bottom and top note
the bottom and middle note

Q5.
Which two words best describe the effect of a power chord?

gentle
Correct answer: strong
mysterious
calm
Correct answer: forceful

Q6.
If you were to create a bass line from a power chord riff, which note or notes would you mostly use?

Correct answer: the root note
the fifth
the third
the root note and third
the root note and fifth