Music notation symbols, explained simply

Sheet music is really just a blueprint that captures two things at once: how high or low a sound is, and how long it lasts. The number of symbols can feel overwhelming at first, but once you sort them by what they do, the page becomes much easier to read. This guide walks through the most common notation you will meet — the staff and clefs, notes and rests, sharps and flats, time signatures, and repeat marks — in plain language for beginners. You will find matching icons in the notation symbols category.

The staff and clefs (treble and bass)

Everything sits on the staff: five horizontal lines. Notes are placed on the lines or in the spaces between them, and the higher a note sits, the higher it sounds. At the far left of each staff is a clef, which fixes the pitch range of that staff.

Treble clef: used for higher pitches. Its curl wraps around the line for the note G, which is why it is also called the G clef. You will see it for melodies, vocals, the right hand of a piano, and high instruments.
Bass clef: used for lower pitches. Its two dots straddle the line for the note F, so it is also known as the F clef. It carries the left hand of a piano, bass, and other low instruments.

Piano music usually joins a treble and a bass staff together into a single grand staff.

Notes and rests: their shapes and lengths

The shape of a note tells you how long to hold it. Durations are relative: each value is half the length of the one before it.

Whole note: the reference length. In 4/4 time it fills a whole bar (4 beats).
Half note: half of that (2 beats) — an open notehead with a stem.
Quarter note: half again (1 beat). A filled notehead with a stem, and the most common note of all.
Eighth note: half a beat. It has a single flag on the stem; when several occur in a row, the flags become a connecting beam.
Sixteenth note: half an eighth note, with two flags or a double beam.

A rest marks silence, and rests come in the same family of lengths as notes (whole, half, quarter, eighth, and so on). A small dot written to the right of a note extends its length by half — a dotted quarter note lasts one and a half beats.

Sharps, flats, and naturals (accidentals)

Accidentals raise or lower a pitch by a half step.

Sharp (♯): raises the note by a half step.
Flat (♭): lowers the note by a half step.
Natural (♮): cancels a sharp or flat and returns the note to its original pitch.

An accidental that appears mid-piece only applies for the rest of that bar. Sharps or flats grouped at the start of the staff, just after the clef, form the key signature: they apply throughout the piece and tell you what key the music is in. Half steps are easiest to feel on a keyboard, where they are the black keys — picture the layout alongside the keyboard instruments category.

Time signatures and bar lines

Vertical bar lines divide the staff into measures (bars). The fraction-like symbol at the start of the music is the time signature.

Bottom number: which note value counts as one beat (4 means a quarter note, 8 means an eighth note).
Top number: how many of those beats fit in one bar. So 4/4 means four quarter-note beats per bar.

4/4 is by far the most common meter in pop and rock, while 3/4 is the familiar lilt of a waltz. A thick final bar line marks the end of the piece.

Repeat marks and how to remember it all

To play a section again, two dots form a repeat sign around the passage. First- and second-ending brackets let you finish a repeat differently the second time, while Da Capo (D.C.) and Dal Segno (D.S.) jump back to the start or to a marked spot — guided by the segno and coda symbols. These turn a long score into a clear road map.

Rather than memorizing symbols one by one, group them by purpose: marks for pitch (clefs and accidentals), marks for duration (notes, rests, and time signatures), and marks for navigation (bar lines and repeats). When sharing parts in a band or ensemble, showing each player's role with an icon makes the chart easier to explain — see the ensemble roles category.

The notation icons used here all live in the notation symbols category — treble and bass clefs, notes, rests, accidentals, time signatures, and more. Everything is free for commercial use with no attribution required, downloadable as SVG and PNG.