how to read ledger lines,
and hear the note you counted.

What a ledger line is

A ledger line is a short horizontal line drawn through or beside a note head to extend the staff above its top line or below its bottom line. Each ledger line counts as one more staff line, and the gaps between ledger lines count as spaces, so the note names simply continue in sequence: line, space, line, space, one letter per step.

The staff has five lines because five is about as many as the eye can count at a glance. Music goes higher and lower than that, so rather than print an eleven-line staff, engravers draw just the extra lines a note actually needs, and only as wide as the note head. Two things follow. A note can sit on a ledger line, with the line through its middle, or above or below one, in the space next to it. And the ledger lines are counted outward from the staff, so the first ledger line is the one nearest the staff.

Above and below the treble staff

The treble staff lines are E, G, B, D, F from the bottom. Above the top line F the sequence continues: G in the space just above the staff, A on the first ledger line, B in the space above it, C on the second ledger line, D in the next space, E on the third ledger line, F above it, G on the fourth ledger line. Below the bottom line E: D in the space just under the staff, C on the first ledger line (middle C), B below it, A on the second ledger line, G below, F on the third.

Set out as a list, going up from the top of the staff:

• Top line: F. Space above the staff: G.
• First ledger line above: A. Space above it: B.
• Second ledger line above: C (top C, C6). Space above it: D.
• Third ledger line above: E. Space above it: F.
• Fourth ledger line above: G.

And going down from the bottom of the staff:

• Bottom line: E. Space below the staff: D.
• First ledger line below: C (middle C, C4). Space below it: B.
• Second ledger line below: A. Space below it: G.
• Third ledger line below: F.

Above and below the bass staff

The bass staff lines are G, B, D, F, A from the bottom. Above the top line A: B in the space just above the staff, C on the first ledger line (middle C again), D in the space above it, E on the second ledger line, F above, G on the third ledger line. Below the bottom line G: F in the space just under the staff, E on the first ledger line, D below it, C on the second ledger line (low C, C2), B below, A on the third ledger line.

Notice that middle C is on the first ledger line in both clefs, above the bass staff and below the treble staff. That is not a coincidence. The treble and bass staves are really one eleven-line staff with the middle line left out, and middle C is that missing middle line. The D in the space just above middle C in the bass clef is the same D that sits in the space just under the treble staff; the two staves overlap for a few notes, and engravers choose whichever clef needs fewer ledger lines.

The C landmarks

You can count every ledger-line note from the edge of the staff, and at first you will. The faster method is to memorise the four Cs and read every other ledger note as a step or two away from one of them. Middle C (C4) is on the first ledger line below the treble staff and the first ledger line above the bass staff. Top C (C6) is on the second ledger line above the treble staff. Low C (C2) is on the second ledger line below the bass staff.

With those three positions cold, a note on the third ledger line above the treble staff is no longer “count six steps up from F”; it is “one line above top C, so E”. A note on the ledger line just below low C is A. A note in the space just above middle C in the bass clef is D. Reading by distance from a landmark is how fluent readers read everything on the page, and ledger lines are where it saves the most time.

A worked example

Imagine a melody in the treble clef. Bar 7 climbs to a crotchet with three short lines above the staff, the stem pointing down from the note head, and the note head sitting on the third of those lines. To name it, count up from the top line of the staff: F on the top line, G in the space above, A on the first ledger line, B in the space, C on the second ledger line, D in the space, E on the third ledger line. The note is E, the E two octaves above the E on the bottom line of the treble staff (E6 in scientific pitch notation).

Now the landmark method on the same note: the second ledger line above the treble staff is top C, and this note is one line higher, so it is E. Two steps instead of seven. If the note head had been sitting just above the third ledger line instead of on it, it would be F; just below, in the space between the second and third lines, it would be D.

Three common misreads

The first misread is on the line versus beside the line. A note head with a ledger line drawn through it is on that line; a note head that has a ledger line just beneath it, not through it, is in the space above that line, one note higher. The ledger line is drawn either way, so look at whether it cuts the note head or merely touches it.

The second misread is losing count in a stack. When a note has four ledger lines, the eye tends to merge two of them, and the note is read a third too low. Count the lines with the tip of a pencil the first time, or count from the nearest C as above, which turns four lines into “two above top C”.

The third misread is forgetting an 8va. When the printed notes already have ledger lines and there is a dotted bracket above them marked 8va, the written note is played an octave higher still; 8vb below the staff means an octave lower. Beginners count the ledger lines correctly and then play the note in the wrong octave. Look for the bracket before you count.

A two-minute drill

1. Say the four landmarks, thirty secondsMiddle C: first ledger line below treble, first above bass. Top C: second ledger line above treble. Low C: second ledger line below bass. Picture each one on a staff as you say it.
2. Name ten ledger notes, one minuteOpen any piano piece to a page with ledger lines. Point at ten notes outside the staff and name each one by its distance from a C: “one above middle C, D”, “one line below top C, A”. Say it aloud; silent guessing does not stick.
3. Check the ones you hesitated on, thirty secondsPlay them on your instrument, or photograph the bar and press play on it (below). Whichever ones you got wrong are tomorrow’s ten.

Hear the note you counted

Counting a ledger line gives you a name; hearing the note tells you whether the name was right. Sheetly is built for one job: turning the printed music you already own into something you can hear, ask about and practise, on an iPhone or iPad. Photograph the bar, press play on just that bar, and the note on the third ledger line sounds as a real E, high and clear, or not, if you counted wrong. Photograph it, hear it, understand it, practise it.

Playback is the answer sheet, not the textbook. Count first, commit to a name, then listen. At half speed a climbing run of ledger-line notes separates into pitches you can check one by one, and looping the bar lets you sing the note before the player does. If you want the name rather than the sound, ask.

Hear the bar you just counted.

Photograph the page, press play on one bar at any tempo, loop it, and ask the coach which note that is. Free to download on iPhone and iPad.

Free to download · iPhone and iPad · Android on the way

Ask about your bar

Sheetly is the only iPhone and iPad app we know of where the AI coach has read the actual notes of the page you photographed, so a question about bar 12 gets an answer about your bar 12. For ledger lines that means you can point at the note you cannot count and ask, by bar number, and get the name, the octave and where it sits on your instrument.

Ask Sheetly: a coach that has read your score

Not a chatbot bolted onto a music app. The coach has the actual notes of the page you just photographed, so you can ask about your bar 12 and get an answer about what is written in it.

what's the note on the third ledger line above the treble staff in bar 7?

E, two octaves above the E on the bottom line of the staff. Count from top C on the second ledger line: one line higher is E. On the piano it is the E two octaves and a third above middle C; it is the highest note in the phrase, and the same E you play an octave lower in bar 3.

bar 14 left hand has two lines under the staff, is that C?

Yes. The note head is on the second ledger line below the bass staff, which is low C, two octaves below middle C. The note before it in bar 14 is on the first ledger line, E, so the bass steps down a third to land on the C.

We know of no other sheet-music scanner that does this. Every other tool hands you a transcription and stops.

Free to download · iPhone and iPad

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