Time signatures and subdivisions: practise the notes between beats

Three settings, three jobs

BPM controls the spacing of the main beats. In 4/4, the quarter note is the main beat; four such beats form a bar. In 3/4, there are three quarter-note beats per bar. The bottom number names the note value, not the loudness or speed.

Subdivision adds evenly spaced clicks inside each main beat. At 60 BPM, the main beats still arrive one second apart: Eighths gives two clicks in that second; Triplets gives three. Increasing subdivision does not change the displayed BPM.

Exercise 1: keep the beat, add the “and”

Turn drums off. Set 60 BPM, open Time signature · Sound and select 4/4 and Eighths, then press Start. Count each numbered beat with the “and” halfway to the next beat.

Four main beats, each divided into two equal parts

1. For four bars, clap only on 1, 2, 3 and 4. Hear the extra clicks without moving your main pulse faster.
2. For four bars, play every number and every “and”. Keep the spaces even, rather than squeezing the “and” toward the next number.
3. Return to Main beat and play the same eighth notes for four bars. Now you supply the halfway points. If they become uneven, turn Eighths on again and compare.

Exercise 2: divide the same beat into three

Keep 60 BPM and 4/4; select Triplets. Say three evenly spaced syllables per beat, keeping the numbered syllable on the main beat.

Four main beats, each divided into three equal parts

1. Listen for four bars, then tap only the numbered syllables for four bars. The main beat has not changed speed.
2. Play all three parts on one easy note for four bars. Avoid playing the first two close together and leaving a long gap before the third.
3. Return to Main beat and keep the triplets going yourself. Use the extra clicks again when you need a reference.

Exercise 3: hear a three-beat bar

Choose 3/4 and Main beat at the same 60 BPM. Accent beat 1 and leave beats 2 and 3 normal. Count 1, 2, 3 for eight bars, then switch to 4/4 and count 1, 2, 3, 4. The beat spacing stays the same; the return to the first beat happens after a different number of beats.

When changing the time signature during playback, this tool applies the new grouping at a bar boundary. For these exercises, stop before changing settings, then press Start again so the starting pattern is unambiguous.

Why 6/4 is not a substitute for 6/8

6/8 usually groups six eighth notes into two dotted-quarter beats, each divided into three. That is different from this web tool’s 6/4 setting, which plays six quarter-note main beats. In music, 6/4 can also be grouped as two dotted-half beats; the beat unit depends on the score. A BPM mark also needs a beat unit: 60 dotted quarters per minute and 60 eighth notes per minute are not the same speed.

This web metronome currently offers /4 time signatures, not a native 6/8 setting. These exercises therefore use 4/4 and 3/4. Do not select 6/4 and call it 6/8; follow your score or teacher’s beat unit when practising compound metre.

What to listen for

Can you keep the numbered pulse unchanged when the extra clicks disappear? Are the two or three parts evenly spaced? If not, slow to a tempo that feels manageable or listen before playing again.

An accent marks the start of the group; it does not mean every musical phrase must begin there. These drills build a reference for listening, not a rule that all music should sound mechanically even.