Question

What was the name of the six-note pattern aid invented by Guido d'Arezzo as
a mnemonic aid?
A. C-major scale
O B. Ut queant laxis resonare
C. Hexachord
D. Gamut
Please help

Answer 1

Answer:

Hexachord system.

Explanation:

The first of Guido's major developments in the realm of music theory and education was his codification of the hexachord system. In his system, the notes of the musical gamut were described in interlocking six-note segments, known as hexachords, all of which shared the same interval pattern.

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Answer 2

C. Hexachord

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