The staff, clefs and note names
The staff (or stave) is 5 lines and 4 spaces. Notes on higher lines or spaces are higher in pitch. Notes use 7 letter names: A B C D E F G, then repeat.
- Treble clef (G clef) for higher sounds (flute, violin, right hand of piano). Lines E G B D F, spaces F A C E.
- Bass clef (F clef) for lower sounds (cello, left hand). Lines G B D F A, spaces A C E G.
- Ledger lines are short extra lines above or below the staff. Middle C sits on one ledger line below the treble staff.
Rhythm: note values, rests and time signatures
The note shape tells its duration:
| Note | Beats in 4/4 |
|---|---|
| Whole (semibreve) | 4 |
| Half (minim) | 2 |
| Quarter (crotchet) | 1 |
| Eighth (quaver) | ½ |
| Sixteenth (semiquaver) | ¼ |
Each note has a matching rest (silence) of the same length. A dot adds half the note's value (dotted half = 3 beats). A tie joins two notes of the same pitch.
The time signature has two numbers: the top says how many beats are in a bar (measure); the bottom says which note gets one beat (4 = quarter). 4/4, 3/4 (waltz) and 2/4 (march) are common. Bar lines separate bars; a double bar ends the piece.
Sharps, flats, keys, scales, intervals and chords
A sharp (♯) raises a note by a semitone (the smallest step on a keyboard); a flat (♭) lowers it; a natural (♮) cancels them. A key signature at the start lists the sharps or flats used all through the piece.
A scale is a ladder of notes. The major scale follows the step pattern T T S T T T S (T = tone, S = semitone): C D E F G A B C. An interval is the distance between two notes, counted in letter names including both ends (C to E is a 3rd; C to G is a 5th; C to C′ is an octave). A chord is notes played together; a major triad is a root, a major 3rd and a 5th (C–E–G).
Other markings tell how to play: dynamics (p = soft, f = loud, crescendo = getting louder), tempo (speed, e.g. ♩ = 90 beats per minute, Allegro = fast) and articulation (staccato = short and detached).
Other notation systems
- Sargam (Indian): Sa Re Ga Ma Pa Dha Ni. Hindustani notation marks the lower octave with a dot below and the upper octave with a dot above, and komal (flat) notes with a line. Carnatic music uses similar syllables. Rhythm is shown with the taal and its vibhag divisions.
- Jeongganbo (Korean): a grid of boxes read in columns; each box is one unit of time and the pitch name is written inside.
- Tablature (tab): for guitar, lines stand for strings and numbers for frets.
- Graphic notation: shapes, lines and colours show sound in modern, experimental music.
- Chord symbols and lead sheets: letters like C, G, Am, F above a melody.
Reading and dictation tips
Find the clef, key and time signature first. Clap the rhythm, then say the note names, then play or sing. For dictation (writing down a tune you hear), first mark the beat, then the rhythm, then the up/down shape, then exact notes.
Try it
Write "Happy Birthday" or a nursery song you know in sargam, then in letter names (Sa = C). Clap its rhythm and mark the bar lines where the strong beats fall.
Key formulas and definitions
- Treble lines E G B D F; spaces F A C E
- Bass lines G B D F A; spaces A C E G
- Whole 4 · half 2 · quarter 1 · eighth ½ · sixteenth ¼ beats
- Dot adds half: dotted half = 2 + 1 = 3 beats
- Time signature: top = beats per bar, bottom = beat note
- Major scale steps: T T S T T T S
- Sa Re Ga Ma Pa Dha Ni = C D E F G A B (with Sa on C)
Worked examples
1. In 4/4, how many eighth notes fill one bar?
Each eighth = ½ beat. 4 ÷ ½ = 8 eighth notes.
2. A bar in 3/4 has a half note and one more note. Which note completes it?
A half note = 2 beats. 3 − 2 = 1 beat left, so a quarter note (or a quarter rest).
3. Name the notes in the treble spaces from bottom to top, and give their sargam names with Sa on C.
F A C E. With Sa = C: F = Ma, A = Dha, C = Sa (upper), E = Ga (upper).
4. What interval is C up to A? And G up to D?
Count letters including both ends. C D E F G A = 6 → a 6th. G A B C D = 5 → a 5th.
5. Build a G major scale using T T S T T T S.
G →(T) A →(T) B →(S) C →(T) D →(T) E →(T) F♯ →(S) G. It has one sharp, F♯.
6. How many beats is a dotted quarter note followed by an eighth note?
Dotted quarter = 1 + ½ = 1½ beats; eighth = ½. Total = 2 beats.
Common mistakes
- Reading bass clef notes as if they were treble clef.
- Forgetting that a dot adds half the note's own value, not one beat.
- Counting intervals without including the starting note (C to E is a 3rd, not a 2nd).
- Thinking a whole note always lasts 4 beats in every time signature; it depends on the bottom number.