Note values and rests
Note values are ratios, not fixed lengths. Each one lasts half as long as the one above it.
A note's shape tells you how long it lasts relative to the beat. Nothing here is measured in seconds β that is what tempo is for. Double the tempo and every value halves, together.
| Note | Name | Length | Rest |
|---|---|---|---|
| π | Whole note | 4 beats | π» |
| π | Half note | 2 beats | πΌ |
| π | Quarter note | 1 beat | π½ |
| π | Eighth note | Β½ beat | πΎ |
| π ‘ | Sixteenth note | ΒΌ beat | πΏ |
Reading the shapes
The distinctions are small and deliberate:
- Hollow head, no stem β whole note.
- Hollow head with a stem β half note.
- Filled head with a stem β quarter note.
- Filled head, stem, one flag β eighth note.
- Two flags β sixteenth.
When eighths or sixteenths sit next to each other, their flags are replaced by beams β the horizontal bars joining them. A beam is purely visual; it changes nothing about the durations. Beaming is grouped to show where the beats fall, which is what makes beamed rhythms easier to read than a row of separate flags.
Rests work identically
Every note value has a rest of the same length. A bar of silence in 4/4 is a whole rest; a beat of silence is a quarter rest. Rests are not gaps in the notation β they are notated, counted and as much a part of the rhythm as the notes.
Dotted notes
A dot after a note adds half of its own value.
- Dotted half = 2 + 1 = 3 beats
- Dotted quarter = 1 + Β½ = 1Β½ beats
- Dotted eighth = Β½ + ΒΌ = ΒΎ of a beat
The dotted quarter followed by an eighth is one of the most common figures in all of music. Recognise it as a shape rather than doing the arithmetic each time.
A second dot adds half of the first dot's value again, but you will meet that far less often.
Ties
A tie is a curved line joining two notes of the same pitch. They become one sound lasting the combined length.
Ties exist because bar lines are non-negotiable. A note lasting six beats in a 4/4 piece cannot be written as one symbol across a bar line, so it is written as a whole note tied to a half note.
Do not confuse a tie with a slur, which looks similar but connects different pitches and means play them smoothly.
Triplets
A triplet fits three notes into the space normally taken by two. Three eighth-note triplets occupy one quarter-note beat. They are marked with a small 3, usually with a bracket.
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Related concepts
- Time signaturesThe top number counts beats per bar; the bottom number says which note value gets the beat.
- Treble clef notesThe treble clef fixes G above middle C to the second line up. Every other note follows from there.
- Sharps, flats and naturalsAn accidental raises or lowers a note by one semitone β and it applies for the rest of the bar, not just that note.