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      The role of the instruments and the bass pattern

      Lesson details

      Learning outcome

      I can describe the roles of the instruments in a blues ensemble and I can perform a blues bass pattern

      Key learning points

      1. There are four main instrumental roles in a blues ensemble: the melody, chords, bass and drum groove.
      2. The melody is often performed by a singer. The piano, guitar, bass and drum kit play an accompanying role.
      3. The piano, guitar and instruments such as the harmonica and brass can play melodic lines which are often improvised.
      4. We have learned to play a syncopated bass riff with the 12-bar blues chords.
      5. Syncopation in the music drives the music forward and helps create a blues feel.

      Keywords

      • Ensemble - a group of musicians performing together e.g. a choir, band or orchestra

      • Improvise - to create music or a musical idea on the spot

      • Syncopation - when the rhythm emphasises (accents) notes in between the main beats

      • Riff - a short repeated musical idea used in popular music

      • Bass - the lowest pitched part in the music

      Common misconception

      All instruments have a fixed role and only the drums drive the music forward.

      The guitar and piano can be melodic as well as accompanying. Different instruments can drive the music forward, and all players in the ensemble are responsible for this.

      Teacher tip

      The practical task is flexible. Pupils are encouraged to learn the pattern with the left hand so they can put the chords and bass part together. It is an accessible task to play two hands together, but pupils could work in pairs with one playing the bass pattern and one playing the chords.

      Equipment

      Keyboard instrument

      Licence

      This content is © Oak National Academy Limited (2026), 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

      5 Questions

      Q1.
      A chord is...

      one note repeated.
      Correct answer: two or more notes played at the same time.
      three notes played separately.

      Q2.
      In Blues music the first and second line of the lyrics are always...

      different.
      Correct answer: repeated.
      shouted.

      Q3.
      The 12 bar blues chord sequence in C uses the chords C, F and .

      Correct Answer: G

      Q4.
      What are the notes of a C triad chord?

      Correct Answer: CEG, C E G, C-E-G, C, E and G, ceg

      Q5.
      When playing a chord with your right hand, the __________ should be on the root note.

      index finger
      middle finger
      little finger
      Correct answer: thumb

      5 Questions

      Q1.
      What word describes a short, repeated musical idea used in popular music?

      Correct Answer: riff

      Q2.
      Which is the lowest part in the music?

      treble
      soprano
      alto
      Correct answer: bass

      Q3.
      Which two instruments usually play an accompanying role in a blues ensemble?

      Correct answer: drum kit
      Correct answer: bass
      saxophone
      vocals

      Q4.
      Which instrument (not vocals) is most likely to play a melody in blues music?

      Correct Answer: guitar, electric guitar

      Q5.
      Which word means to create music or a musical idea in the moment?

      Correct Answer: improvisation, improvising, improvise

      To help you plan your 8 music lesson on: The role of the instruments and the bass pattern, download all teaching resources for free and adapt to suit your pupils' needs...