Leaving Cert Music: Bass notes & chords to a tune
How often Bass notes & chords to a tune comes up on the Music papers, every year it was asked, and questions to try.
HL Asked on 9 of the last 9 Higher Level papers, most recently in 2025. banker
OL Asked on 9 of the last 9 Ordinary Level papers, most recently in 2025. banker
Quick ones on Bass notes & chords to a tune.
- ii and IV
- I and V
- IV and vi
- The same chord in adjacent boxes
- V7 moving to V
- Root rising a 4th, e.g. V to I
- Only if the bass note changes or a 7th is added
- Never under any circumstances
- Whenever the melody note stays the same
Show the answers
(a) I and V
(b) Root rising a 4th, e.g. V to I
(c) Only if the bass note changes or a 7th is added
Higher Level
Asked on 9 of the last 9 Higher Level papers, most recently in 2025. banker
Every paper, year by year
| Year | Where it came up |
|---|---|
| 2025 | Q5 |
| 2024 | Q5 |
| 2023 | Q5 |
| 2022 | Q5 |
| 2021 | Q5 |
| 2019 | Q5 |
| 2018 | Q5 |
| 2017 | Q5 |
| 2016 | Q5 |
Links open the State Examinations Commission’s paper for that year.
More Bass notes & chords to a tune questions
Bass notes & chords to a tune, 3 marks
In G major the tune has F sharp on a strong beat. Which chord from I, ii, IV, V and vi fits?
- IV (C major)
- ii (A minor)
- V (D major)
Show the answer
V (D major)
F sharp is the leading note, and among these chords only V (D, F sharp, A) contains it. I, ii, IV and vi have no F sharp.
Ordinary Level
Asked on 9 of the last 9 Ordinary Level papers, most recently in 2025. banker
Every paper, year by year
| Year | Where it came up |
|---|---|
| 2025 | Q5 |
| 2024 | Q5 |
| 2023 | Q5 |
| 2022 | Q5 |
| 2021 | Q5 |
| 2019 | Q5 |
| 2018 | Q5 |
| 2017 | Q5 |
| 2016 | Q5 |
Links open the State Examinations Commission’s paper for that year.
More Bass notes & chords to a tune questions
Bass notes & chords to a tune, 3 marks
In C major, a melody note is G. Which chord could harmonise it?
- ii
- IV
- V
Show the answer
V
G is in chord I (C-E-G) and chord V (G-B-D). It is not in ii (D-F-A) or IV (F-A-C), so those chords would clash.
Bass notes & chords to a tune, 3 marks
In G major, a melody note is C. Which chord could harmonise it?
- V
- IV
- I
Show the answer
IV
Chord IV in G major is C-E-G and chord ii is A-C-E: both contain C. Chord I (G-B-D) and chord V (D-F sharp-A) do not.
Bass notes & chords to a tune, 3 marks
Why should the same chord not be used in two boxes in a row?
- The harmony stands still
- It breaks the time signature
- It changes the key
Show the answer
The harmony stands still
The marking schemes don't accept the same chord in adjacent boxes, unless the bass note changes, because the progression stops moving.
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