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Brainlag

Music Theory

Grade 6 Music Theory

Harmony: chords, figured bass and four-part writing.

Lesson 1 is free. The full course comes with Brainlag Music.

Start lesson 1 freeSee what’s included
  • Music Theory Grades 3 to 8
  • Ear training
  • Topic tests and mock papers

17 units, 65 lessons

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    How this works

    Picked from your answers on this device and your account: topics you are still learning, and secure ones you have not practised for a while. The bars show how sure you are on each one. It is not a grade.

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    Mixed practice

    10 questions across the course.

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    What you’ll be able to do

    • Say which voice sings each note of a four-part chord
    • Read and write accidentals in the figures
    • Realise a short figured bass for four voices
    • Tell cadential, passing and auxiliary six-fours apart
    • Say how the 7th and the leading note resolve
    • Find the chords that contain each melody note

    Units and lessons

    17 units, 65 lessons

    A look inside

    Triads on every degree

    A triad: root, 3rd and 5th

    Build it up from C: the root, a 3rd above it, then a 3rd above that

    Stack two 3rds on a root: you get its 3rd and its 5th.

    These colours mean the same thing in every Grade 6 lesson.

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    Alongside the lessons

    Music terms

    About this grade

    Harmony from the ground up: chords on every degree, figured bass, four-part writing and moving between chords.

    Covers the ABRSM syllabus. ABRSM is a trade mark of its owner; Brainlag is independent and is not affiliated with or endorsed by ABRSM. Every example and question is original. Results are Brainlag estimates, not exam results.

    Questions
    Which syllabus does it follow?

    It follows the ABRSM Music Theory syllabus for Grade 6 (the syllabus from 2020, checked against ABRSM on 8 October 2026). Brainlag is independent and not affiliated with ABRSM.

    What is free?

    1 of the 65 lessons is free, and the first screen of every other lesson. Brainlag Music opens the rest and the topic tests.

    Do I need an account?

    Not for the free lesson. Brainlag Music needs one: sign in to open it, and your progress stays with your account on every device.

    How long does it take?

    About 14 hr 50 min of lessons in 17 units. Lessons take 10 to 25 minutes each.