| A minor, therefore, is related to a major key with its tonic on C, the mediant or third degree of the scale of A minor. |
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| Further along it requires the reader to understand the cycle of fifths and key relationships such as the mediant. |
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| In an interrupted cadence, the lower mediant is substituted for what would have been the new tonic. |
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| The true augmented sixth and the true cadence gain in significance as a contradiction to the false cadencing around the mediant. |
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| The Mass in C has a tonal plan based on mediant and submediant. |
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