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ABRSM Music Theory Grade 8 Mock: Trio Sonata, Keyboard, Melody, Reading
TUTORZONE ORIGINAL MOCK PAPER · ABRSM MUSIC THEORY GRADE 8
Written to the ABRSM theory syllabus (from 2020): Grade 8 is a 3-hour, 100-mark written exam (Pass 66-79, Merit 80-89, Distinction 90-100), with all standard diatonic and chromatic chords. Four types: trio-sonata continuation, keyboard passage, melody writing and score reading. Four questions for 100 marks with model answers.
What is in ABRSM Music Theory Grade 8?
Direct answer: Grade 8 is a 3-hour, 100-mark written exam (Pass 66-79, Merit 80-89, Distinction 90-100) with trio-sonata continuation, keyboard passage, melody writing and score reading, covering all diatonic and chromatic chords.
Assessment at a glance (2027)
| Component | Content | Weighting | Duration |
|---|---|---|---|
| Q1 Trio-sonata continuation | Two trebles plus figured continuo, imitative counterpoint | ~25 | about 45 min |
| Q2 Keyboard passage | Complete a Haydn-onwards keyboard outline | ~15 | about 25 min |
| Q3 Melody writing | Continue a solo opening, with optional modulation | ~25 | about 45 min |
| Q4 Score reading | Key, ornaments, chords, form and forces | ~35 | about 55 min |
Four questions in 3 hours: about 45 min on the trio sonata, 25 on keyboard, 45 on melody and 55 on reading, leaving 10 to check.
How this paper was built
This is a TutorZone original mock paper: the questions follow the ABRSM Grade 8 structure and the model answers are our own, not ABRSM papers or marking references.
Notation is letter note-names plus Roman/figured-bass symbols (text); in the real exam write on staves.
Pacing
| Section | Marks | Suggested time | What to do first |
|---|---|---|---|
| Q1 Trio-sonata continuation | ~25 | fix the imitation point, then the continuo | exact imitation, clear entry and exit |
| Q2 Keyboard passage | ~15 | fix the chord skeleton, then the melody | balanced phrases and perfect cadence |
| Q3 Melody writing | ~25 | plan phrases and the modulation point | stay within the instrument’s range |
| Q4 Score reading | ~35 | answer each item with a reason | judgement, reason and example |
What matters in the trio-sonata continuation?
Direct answer: the second part imitates exactly after a fixed gap; the continuo realises the figures; and you close with a V-I perfect cadence.
Grade 8 mock: 4 questions (100 marks)
Four questions for 100 marks; notation is letter note-names plus Roman/figured-bass symbols – in the real exam write on staves.
Question 1 (25 marks)
Question 1: trio-sonata continuation. Continue the opening of a Baroque trio sonata (two treble parts plus a figured basso continuo) for about 4 bars, using imitative counterpoint and ending with a perfect cadence.
Question 2 (15 marks)
Question 2: keyboard passage. Complete the outline of a short keyboard passage (in a Haydn-onwards style), filling in the chords and melody and labelling the chords used.
Question 3 (25 marks)
Question 3: melody writing. In A major, continue an 8-bar flute melody (from the given opening), modulating to the dominant E major and ending with a perfect cadence.
Question 4 (35 marks)
Question 4: score reading. For a string-quartet extract: (1) name the key and justify it; (2) identify one ornament and its realisation; (3) describe the chord structure, noting any sevenths; (4) describe the form and forces.
What style is needed for the keyboard passage?
Direct answer: the Classical (Haydn-onwards) style: balanced phrases, tonic-dominant-subdominant chords, perfect cadences and a clear melody.
Model answers and marks per question
Question 1
Model-answer points: (1) the second treble imitates the first about a bar later (8); (2) the continuo supplies the harmonic skeleton, realising the figures (8); (3) the last two bars make a perfect cadence (V-I), the trebles resolving by step (9). Make the imitation exact and its entry and exit clear.
Question 2
Model-answer points: (1) lead with tonic, dominant and subdominant, with the occasional dominant seventh (5); (2) a stepwise melody with decoration at the cadence (5); (3) a perfect cadence at the phrase end, in a balanced Haydn-style phrase (5). Match the left-hand bass to the right-hand melody.
Question 3
Model-answer points: (1) bars 1-4 stay in A major, developing the given figure; (2) introduce D sharp as the pivot into E major, with V-I (B major to E major); (3) the last two bars make a perfect cadence (B-E) in E major. Keep the flute line within range with breathing points.
Question 4
Model-answer points: (1) Key: from the key signature and cadence (e.g. three sharps, ending on A) (8). (2) Ornament: a trill – the note alternating rapidly with the upper auxiliary (9). (3) Chords: tonic, dominant and subdominant, with V7 resolving to the tonic (8). (4) Form and forces: sonata form (exposition, development, recapitulation), two violins, viola and cello (10).
Is G8 the highest theory grade?
Direct answer: yes, Grade 8 is the highest theory grade and a pass satisfies the prerequisite for Practical Grades 6-8.
Where these marks are usually lost
| Mistake | What it looks like | What it costs | Instead |
|---|---|---|---|
| Inexact imitation | The second part not imitating the subject | The trio sonata rests on imitation | Imitate the subject exactly after a fixed gap |
| Unfigured continuo | No chords over the bass | The continuo realises the figures | Realise the figured bass with chords |
| Unclear cadence | No V-I at the close | Baroque style closes with a perfect cadence | End with V-I in the last two bars |
How to use this paper
First sit: the full 3 hours with no references.
Mark it: check the imitation, the continuo figures and the cadences.
Second sit: redo three to seven days later, aiming to finish inside 2 h 40 min.
What should I do after finishing this paper?
Direct answer: log errors on imitation, continuo figures and cadences; redo in three to seven days; and consolidate Grade 7 foundations.
FAQ
Is this an ABRSM paper?
No. The questions and model answers are TutorZone originals, not ABRSM papers or marking references.
What does G8 theory test?
A 3-hour, 100-mark written exam: trio-sonata continuation, keyboard passage, melody writing and score reading.
How does G8 differ from G7?
G8 tests Baroque trio-sonata continuation and a Haydn-onwards keyboard passage, with all chromatic chords.
Official references
| Resource | What to check |
|---|---|
| ABRSM Music Theory syllabus (from 2020, Grades 6-8) | Confirm the G8 harmonic vocabulary and question types |
| https://www.tutorzone.com.hk/en-abrsm-grade-7-music-theory-mock-paper/ | ABRSM Grade 7 theory mock (the prerequisite for G8) |
Related: ABRSM Grade 8 theory drill guide · Grade 7 theory mock · practice area
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