Hooks, Riffs & Ostinatos

Repeated patterns that stick in your head — and how to play one

1 is Home
Year 8 Music · Knowledge Organiser

AKey words

HOOK — the catchy bit you can’t stop humming. Short, memorable, keeps coming back. Three flavours:

  • Melodic hook — a tune (voice or instrument).
  • Rhythmic hook — a pattern in the drums or bass.
  • Lyrical hook — words that repeat or rhyme, usually in the chorus.

RIFF — a short repeated instrumental pattern. Riffs open songs, fill the gaps between singing and often live in the bass line. Seven Nation Army is basically one riff.

OSTINATO — the classical and world-music word for the same idea: a pattern that repeats obstinately (that’s where the word comes from). Ravel’s Bolero keeps one going for 15 minutes.

BASS LINE — the lowest part: bass guitar, double bass, synth bass. Riffs love it down here.

MELODY — the main tune, above the bass line. It can carry the hook.

BReading the numbers

Every riff here is written in number notes. 1 is Home — the note the music wants to settle on. Count up from Home: 2, 3, 4, 5, 6, 7.

1 2 3 4 5 6 7 Red numbers are the ordinary notes of the scale.

b3 b6 b7 Blue numbers (with a line underneath) are flats — one step lower. They give minor riffs their dark sound.

1 1c A circle means the octave above; a square means the octave below.

Which real note is Home is the Tonal Centre. Change it and the letter names change — but the numbers stay the same. Know the numbers and you can play a riff anywhere on the keyboard.

CPlay it: “Sweet Dreams (Are Made of This)” — Eurythmics, 1983

The whole song sits on one synth-bass riff that never lets go. Four bars, four notes each, then it loops. Say the numbers as you play.

BAR 1
1 1c 1c 1c
1234
BAR 2
b3c b3c 1c 1c
1234
BAR 3
b6 b6 b6 1c
1234
BAR 4
5 5 5 1c
1234

The rhythm on the record bounces — the notes aren’t evenly spaced. Listen, then copy the bounce. A circled number 1c means the note an octave higher: the riff starts on low Home, jumps up, and every bar lands back on that high Home. The b6 and 5 sit back down in the low octave.

Tonal Centre1 1c b3 5 b6Where to play it
D (classroom version)D → high DFAB♭Only one black note — start here
C (the record)C → high CE♭GA♭Play along with Eurythmics
Your choicePick a Home note and work out the rest
1 Home1c Home, an octave up5 ordinary noteb3 flat (one step lower)

Same numbers, any Tonal Centre.

DLevel up

Bronze — play the riff in Tonal Centre D, steady pulse, four times round without stopping.

Silver — add the bounce from the record, then play it in Tonal Centre C with the track.

Gold — move it to a new Tonal Centre, or play the riff in your left hand while your right hand plays the vocal hook. That’s a riff and a melody together — exactly what an ostinato does in Haydn or Bizet.

FOn the stave

𝄞
Treble clef
Higher notes. Also the G clef: it curls round the G line.
𝄢
Bass clef
Lower notes — where bass lines live. Also the F clef: the two dots hug the F line.
𝄆
Repeat sign
Two dots and a double bar: go back and play it again.

ERiff detective: the listening list

These six songs are your listening assessment. Where a riff is short enough, its numbers are here — try to play it.

1Smoke on the Water — Deep Purple

Guitar riff. Count the notes and the different pitches. Tonal Centre G:

1 b3 4 | 1 b3 b5 4 | 1 b3 4 b3 1

2Another One Bites the Dust — Queen

Bass guitar riff. It changes length between the 2nd and 3rd time — count carefully. Tonal Centre E:

1 1 1 · 1 1 1 b3 1 4

3Seven Nation Army — The White Stripes

A guitar made to sound like a bass. Listen for when it drops out and what’s different when it returns. Tonal Centre E:

1 1 b3 1 b7s b6s 5s

4Get Lucky — Daft Punk

The hook is a four-chord guitar pattern that loops from the very first second. Does it ever stop? How many beats does one loop last?

5Bittersweet Symphony — The Verve

An orchestral string loop is the hook. Time when it stops and when it returns. Would the song survive without it?

6Money, Money, Money — ABBA

A hook with words, tune and rhythm all at once. Decide which kind it is — then hunt for a second hook or riff elsewhere in the song.

Riff Detective — listening sheet

How to answer every question in the assessment, and a practice grid for the six songs

1 is Home
Year 8 Music · Hooks, Riffs & Ostinatos

1The six things you’ll be asked

  1. How many notes? Tap along and count every note in ONE time through. If the riff changes length, count both versions.
  2. How many different pitches? Not the same as how many notes. Seven Nation Army has 7 notes but repeats some pitches — count each pitch once.
  3. When does it stop and start? Watch the clock. Note the time the riff drops out and the time it comes back. Usually it leaves when the singing arrives.
  4. Which instrument? Guitar, bass guitar, synth bass, piano, strings, drums, voice. Low and thick = bass. Low, thick but electric = could be synth or a guitar pretending.
  5. Describe it. Use the key words: melodic, rhythmic or lyrical hook? Short or long? Steady or bouncy? Ascending, descending, or circling round Home?
  6. How does it change? Louder or quieter (dynamics), higher or lower (pitch), a new instrument joins, played faster or slower, or a note added or removed.

2Writing about a riff in numbers

If you can hear the riff in your head, you can write it down without a stave. Find Home (the note it keeps coming back to), call it 1, then count the steps up or down for each note. Use blue (a line underneath) for a flat.

Try it now with the vocal hook of We Will Rock You: “We will, we will rock you.” Home is the last note. Work backwards.

3Practice grid — fill in as you listen

SongNotes in riffDifferent pitchesInstrumentStops / returns atDescribe it
Smoke on the WaterDeep Purple
Another One Bites the DustQueen
Seven Nation ArmyThe White Stripes
Get LuckyDaft Punk
Bittersweet SymphonyThe Verve
Money, Money, MoneyABBA

Rows are deliberately tall — write in pencil, then check your answers against the numbers on page 1.

4Big question

Riff, hook and ostinato are three words for one idea: a pattern that repeats until it’s stuck in your head. Why do so many pieces — from a 1928 ballet to a 2013 disco track — rely on repetition? Write two reasons, using at least one song from the list as evidence.