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← Advanced Β· Lesson 2 of 4

Compound and odd meters

6/8, 9/8, 12/8, 5/4, 7/8 β€” and how to feel them, not just count them. Β· 15 min

Simple vs compound

Simple meters (2/4, 3/4, 4/4) divide each beat into two. Compound meters divide each beat into THREE. Their top number is 6, 9 or 12, and the beat is a dotted quarter note.

6/8 = 2 beats per bar (each a dotted quarter = three eighths). 9/8 = 3 beats. 12/8 = 4 beats. Count 6/8 as '1-and-a 2-and-a', not '1 2 3 4 5 6' β€” counting six makes it sound like 3/4 and fast music becomes impossible.

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6/8: two pulses per bar, each split in three.
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3/4 has the same 6 eighths per bar, but grouped 2+2+2: three pulses.

Odd (asymmetric) meters

5/4 and 7/8 have beats of unequal length. Composers show the grouping by how they beam the eighths. 5/4 is usually 3+2 or 2+3. 7/8 is usually 2+2+3, 3+2+2 or 2+3+2.

Count the groups with different syllables: 7/8 as 2+2+3 = '1-2 1-2 1-2-3'. The groups ARE the beats; the eighths are subdivisions.

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7/8 in D minor. Feel 2+2+3.

Triplets and syncopation

A triplet (a bracket marked 3) squeezes three notes into the space of two. Three triplet eighths = one quarter.

Syncopation puts emphasis off the beat β€” on an '&', or a note tied across the beat. The trap is losing the underlying pulse. Keep counting the main beat and place the syncopated note against it.

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Syncopation: every quarter note here starts on an '&'.

Check yourself

You'll see immediately whether each answer is right, and why.

Compound and odd meters quiz1 / 5

6/8 is normally felt in…