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How to Read Sheet Music

Sheet music looks dense, but it only encodes two things: which note and for how long. Everything else — clefs, key signatures, time signatures — exists to tell you how to interpret those two. Here's the whole system from scratch, in the order it's worth learning.

1. The staff

Music is written on a staff: five horizontal lines with four spaces between them. A note's vertical position tells you its pitch — higher on the staff means a higher sound. Notes sit either on a line (the line passes through the notehead) or in a space.

Move up one line or space and you move up one letter. The musical alphabet is only seven letters — A, B, C, D, E, F, G — and then it starts over.

The musical alphabet, and the four ways to read it →

2. Clefs tell you which letters

The staff alone doesn't say which pitch each line is. The clef at the start of the line does. Two cover almost everything you'll meet.

Treble clef

Used for higher parts — the right hand at the piano, violin, flute, most vocal melodies. The lines are E, G, B, D, F and the spaces spell FACE.

E4F4G4A4B4C5D5E5F5
The treble staff, from E4 on the bottom line to F5 on the top line.

Full treble clef note reference →

Bass clef

Used for lower parts — the left hand at the piano, cello, bassoon, bass voices. The lines are G, B, D, F, A and the spaces are A, C, E, G.

G2A2B2C3D3E3F3G3A3
The bass staff, from G2 on the bottom line to A3 on the top line.

Full bass clef note reference →

3. The grand staff and middle C

Piano music uses both staves at once, braced together as the grand staff — treble on top for the right hand, bass underneath for the left. The two are joined by middle C, which sits in the gap between them.

Middle C is written on a short ledger line — a stub of staff line added for notes that fall outside the five. It appears just below the treble staff, or just above the bass staff, depending on which hand is playing it. Same note, two ways of writing it:

C4
Middle C written below the treble staff, on one ledger line.
C4
The same middle C written above the bass staff, on one ledger line.

Ledger lines keep stacking as notes go further out — two lines, three lines, and so on. They're counted exactly like ordinary lines and spaces.

Full guide to reading ledger lines →

4. Note values: how long each note lasts

A notehead's shape tells you its duration, measured in beats. The system is pure halving: each value lasts half as long as the one before it.

NoteBeats in 4/4Looks like
Whole note4Hollow head, no stem
Half note2Hollow head with a stem
Quarter note1Filled head with a stem
Eighth note½Filled head, stem, one flag
Sixteenth note¼Filled head, stem, two flags

A dot after a note adds half its value again — a dotted half note lasts three beats. Rests work the same way, with their own symbols for each duration.

Our sister site has a deeper treatment of this: note lengths and durations.

5. Time signature: how beats are grouped

The two stacked numbers after the clef are the time signature. The top number is how many beats fill a measure; the bottom number says which note value counts as one beat.

  • 4/4 — four quarter-note beats per measure. By far the most common.
  • 3/4 — three quarter-note beats. Waltz feel.
  • 6/8 — six eighth-note beats, usually felt as two groups of three.

The vertical bar lines through the staff divide the music into those measures. Every measure must add up to what the time signature promises.

6. Key signature: which notes are sharp or flat

The sharps or flats printed right after the clef make up the key signature. They apply to every note of that letter, in every octave, for the whole piece — so one sharp on the F line means every F you play is F♯, wherever it appears.

Sharps always appear in the order F, C, G, D, A, E, B; flats appear in exactly the reverse order. An accidental written next to an individual note overrides the key signature, but only for the rest of that measure.

Full guide to the order of sharps and flats →

Once you can spot the pattern, drill it until it's instant with the key signature trainer — every signature, four choices, the relative minor included in the answer.

7. Then: read something every day

Knowing the symbols and reading fluently are different skills, and only the second one lets you sit down and play an unfamiliar piece. That comes from volume — short, daily exposure to music you haven't seen before, keeping a steady pulse and never stopping to fix mistakes.

That's sight reading, and it's the point where a trainer actually helps: the hard part of practising it alone is always having fresh material on hand.

Practise it free

Real Sight Reader scrolls real piano repertoire past you and scores every note as you play — treble clef, bass clef, or both hands on the grand staff, plus separate drills for rhythm, intervals and harmony. Import your own MusicXML scores or use the built-in classical library. No account, no download.

Start reading music free →

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