Textbook of Gregorian Chant (1930) - MusicaSacra

14 Part One.
Lesson VIII.
Intervals of a .Third: major and minor. Exercises.
The interval of a third is that which comprises three successive
degrees of the scale. If the three degrees do not include a semitone,
the third is a major third.
Example :
M^jor Third.
g
-0=
tone tone tone tone tone tone
If they contain a semitone, the third is minor.
Example:
Minor Third.
tone semi-t. tone semi-t. tone semi-t. tone semi-t.
All the exercises on the intervals should be sol-faed until the
pupils are proficient in passing from one to another without
any mistake or hesitancy; they can then be vocalised in the
manner indicated above.
f
k
I.
• i
m
a.
m m
i
• ?
•
a.
t
•
t.
••
1
i •
1
1
1
1
• •
• • 1 • 1
a.
7 •
t.
1
m
•
I 1
•• T
t.
1
•• •
m m
m 1
1
a.
1
1