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Accidentals and Key Signature Worksheet

Free accidentals worksheet: read a melody under a key signature and name each note as it sounds, including sharps, flats and naturals in the bar.

Accidentals and Key Signature Worksheet

Sheet #

Name Date Score /

    Answer key

    Accidentals and Key Signature Worksheet · Sheet #

      About the Accidentals and Key Signature Worksheet

      This free accidentals worksheet makes printable practice on sharps, flats and naturals in short melodies. Each question shows a one-bar melody with a key signature at the start, and you either name every note as it actually sounds or find the notes that the key signature changes. Choose easy, medium or hard difficulty, pick treble, bass, alto or tenor clef, and show the answers on screen or print them on A4 or US Letter paper. It runs in your web browser with no sign-up, and nothing you enter is uploaded. Use it for homework, a theory class or a quick review before an exam, and print as many sheets as you need.

      Accidentals worksheet example

      How to use it

      1. Choose a Difficulty: easy, medium or hard. Easy uses one to three sharps or flats and no accidentals drawn in the bar.
      2. Choose the Task and the Clef: a task such as Name each note as it sounds, Find the notes changed by the key signature, or Mixed (easy level only), and a clef such as treble, bass, alto, tenor, treble and bass, or all four clefs.
      3. Set Questions to the number of melodies you want on the sheet, so a short warm-up or a full lesson both fit.
      4. Press New worksheet to generate a fresh set of melodies with the same settings. Each new sheet has its own answers.
      5. Look at the key signature first and list the sharps or flats it contains.
      6. Go through the melody note by note, applying the key signature first and then any accidental drawn earlier in the bar, and write the note name beside each note.
      7. Press Show answers and compare each note name with your own. If a note differs, look again at the key signature and the bar.
      8. Press Print when you are ready to print the sheet or its answer page.
      9. If a note is wrong, go back to the bar: an accidental drawn earlier in the same bar still applies to later notes on that line or space until the bar line, then the key signature takes over again.

      This worksheet practises reading a short melody under a key signature. Each question gives a one-bar melody with a key signature at the start, and you say how each note actually sounds.

      What is an accidental in music?#

      An accidental is a sign written beside a note that changes its pitch. A sharp raises the note by one semitone, a flat lowers it by one semitone, and a natural cancels an earlier sharp or flat. A letter name alone does not give the full pitch, so the sign shows exactly where the note sits.

      How does a key signature differ from an accidental?#

      A key signature is written once at the start of the staff and applies to every note with that letter name, in every octave, for the whole piece. An accidental is written beside a single note and affects only the bar in which it appears. In G major, the key signature has one sharp on F, so every F is played as F-sharp.

      How long does an accidental last?#

      A drawn accidental lasts until the end of the bar. It applies only to notes on the same line or space, in the same octave. An F-sharp on the top line does not change an F in the bottom space. The barline cancels it, except when a tied note crosses into the next bar.

      What are double sharps and double flats?#

      A double sharp raises a note by two semitones, which is a whole tone, and a double flat lowers it by two semitones. They are used when a note that is already sharped or flatted has to move again, for example in some chord spellings.

      How do the difficulty levels differ?#

      • Easy: one to three sharps or flats, four quarter notes, no accidentals drawn in the bar.
      • Medium: one to five sharps or flats, four quarter notes, and one accidental drawn in the bar (a natural, sharp or flat that is not already in the key signature).
      • Hard: one to seven sharps or flats, six notes in 4/4, two drawn accidentals, with the same pitch repeated later in the bar so you have to carry the accidental forward and, where it fits, the same letter in another octave to test you.

      Pick any of the four clefs, or treble plus bass. The notes stay close to the staff, with at most one ledger line.

      Frequently asked questions

      What does a key signature do to the notes?

      Each sharp or flat in the key signature applies to every note with that letter name, in every octave, for the whole piece. In G major, every F is played as F-sharp.

      How long does an accidental last?

      An accidental drawn in front of a note lasts until the end of that bar and applies only to the same line or space; the same letter in another octave is not affected. The barline cancels it, except when the note is tied across the barline.

      What does a natural sign do?

      It cancels a sharp or flat from the key signature (or from an earlier accidental in the bar) for that note. In D major, an F-natural plays the plain F instead of F-sharp.

      What if the accidental matches the key signature?

      Then it is redundant and not usually written, so the worksheet never draws one that would not change the note.

      What is the difference between a sharp, a flat and a natural?

      A sharp raises a note by one semitone, a flat lowers it by one semitone, and a natural cancels an earlier sharp or flat.

      What is a double sharp or a double flat?

      A double sharp raises a note by two semitones and a double flat lowers it by two semitones. They appear when a sharped or flatted note has to move again.

      Is the worksheet free, and does it need an account?

      Yes. It is free, runs in your web browser, needs no sign-up, and nothing you enter is uploaded.

      Can I print the answers separately?

      Yes. Press Show answers to check each note on screen, or print the answer page on its own.

      Reference charts

      More key signature worksheets

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