Counting in Different Time Signatures: Rob Martin: Instructor 4/4 vs 12/8 time
Part I: 4/4 Time : 4 beats (counts) per measure: Quarter Note receives one beat (count quarter notes as whole numbers)
ã 44 .. œ œ œ œ .. .. œ œ œ œ œ œ œ œ .. .. œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ .. 1
2
3
4
1 + 2 + 3 + 4 +
1 e + a 2 e + a 3 e + a 4 e + a
Part II: 12/8 time: 12 beats per measure: 8th Note receives one beat (count 8th notes as whole numbers) 4
ã 12 8 .. œ . 1
œ.
œ.
œ.
4
7
10
.. .. œ œ œ œ œ œ œ œ œ œ œ œ .. 1
a dotted quarter note receives 3 eight note counts
2
3
4
5
6
7
8
9
10
11
12
8th notes are counted like quarter notes in 4/4 time
The 2 measures below are exactly the same thing because a quarter note receives 2 eight note counts
6
ã .. œ ‰ œ œ ‰ œ œ ‰ œ œ ‰ œ .. .. œ 1
3
4
6
7
9
10
12
1
j œ œ
j œ œ
j œ œ
3
6
9
4
7
j œ ..
10
12
This method allows for easier counting of 16th notes which are now treated like 8th notes in 4/4 time: Mixed 8th & s16th note combos below:
8
ã .. œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ .. .. œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ .. 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11 + 12 +
1 + 2 3 4 5 + 6 7 8 9 + 10 + 11 + 12
Part III: This method counts 12/8 "IN FOUR"; 4 dotted quarter notes divide measure evenly into into 4 beats 10
ã .. œ .
œ.
œ.
œ.
2
3
4
1
.. .. œ œ œ œ œ œ œ œ œ œ œ œ .. 1
+
a
Dotted quarter notes above are like regular quarter notes in 4/4 time
2
+
a
3
+
a
4
+
a
New counting scheme for 8th notes above
When counting 12/8 "IN FOUR" , it becomes easier to treat the groups below as being similar to shuffle rhythms: 12
ã .. œ ‰ œ œ ‰ œ œ ‰ œ œ ‰ œ .. .. œ 1
a
2
a
3
a
4
a
1
j œ œ
j œ œ
j œ œ
a
a
a
2
3
j œ ..
4
a
However it is more difficult to treat 16th note groups under this method:
14
ã .. œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ .. .. œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ œ .. 1
+
a
2
+
a
3
+
a
4
+
a
1
+
a
2 +
a
3 + a
4
+
a
Rhythmic Excerpt from "I Saw Three Ships": Two ways to count these rhythms: 16
ã .. œ 1
j œ œ
j œ œ
j œ œ
j œ
œ
3
6
9
12
1
4
7
10
j œ œ œ œ œ.
œ.
3
10
4
5
6
7
..
Method below keeps the music "IN FOUR" 18
ã .. œ 1
j œ œ
j œ œ
j œ œ
j œ
œ
a
a
a
a
1
2
3
4
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j œ œ œ œ œ.
œ.
a
4
2
+
a
3
..