Theory Study

Compiled ABRSM Grades 1-5 exam materials covering notes, rhythm, scales, chords and all major exam topics for easy reference and efficient preparation.
ABRSM Grade 1 Knowledge Points

Knowledge Point 15: The Tonic Triad

Besides numbers, the different degrees of the scale also have names. In the Grade 1 course, you only need to know the name of the 1st degree — the tonic. When we play the 1st, 3rd and 5th degrees of a scale together, this is called the tonic triad.Figure 44 shows the tonic triads of C major:

Illustration
Figure 44: Illustration

Figure 45 shows the other tonic triads that will appear in Grade 1. We have written them in both the treble clef and the bass clef, with the key signatures added. The root note of each triad is the tonic:

G major
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D major
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F major
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or
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Figure 45: Illustration

If the tonic triad of D major is written without a key signature, an accidental must be added — a # before the F note, as shown in Figure 46:

Illustration
Figure 46: Illustration
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