A sign (♯, ♭, ♮) indicating a momentary departure from the key signature by raising or lowering a note a semitone, respectively called sharp, flat and natural (which cancels a previous sharp or flat.The term can also indicate the note raised or lowered. Also found as a double sharp and double flat.

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6answers
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What's the difference between a G♭ and an F#?

I've heard it said that, whilst on most instruments these notes are played with the same fingerings/technique/etc there is a subtle difference. This isn't specific to this particular note combination,...
52
votes
9answers
19k views

Purpose of double-sharps and double-flats?

In a few pieces of music I have read through, I have come across double-sharps and flats. To my understanding, they are two semitones above/below the note indicated. What is, then, the point of ...
19
votes
4answers
935 views

Should one write # or b?

In the staff, would one write enharmonic notes with # or ♭? Does it matter which you'd use and why? For example: In the key of C Major, would it be better to write this passage with an A#, as it is, ...
25
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5answers
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Why is music theory built so tightly around the C Major scale?

Lately, I'm trying to study deeper into music theory, learning Intervals, key Signatures, Chords, Progressions etc. I can see that everything is built around the 'normal' notes that belong to the C ...
15
votes
6answers
1k views

Collective word for sharps and flats in the key signature

On a mailing list I'm subscribed to, someone recently asked what the collective name was in English for the sharps and flats you find in the key signature. Apparently, the closest translation from ...
17
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5answers
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If between E and F is a halftone, why can F not be an E♯

A ♯ raises a note by a semitone or halftone. I'm confused. If E and F are a halftone apart, why can't F be E♯?
19
votes
6answers
4k views

Is G sharp major a real key?

I'm mostly self-taught, so I don't know much in the way of theory beyond the basics. I have heard of G sharp Major a few times. I believe a scale in the key goes as such: G♯, A♯, B♯, C♯, D♯, E♯, Fx, G♯...
17
votes
5answers
19k views

What is the difference between sharp note & flat note?

In guitar or generally in any musical instruments, what is the difference between sharp notes & flat notes? For example : Are A♯ & B♭ the same? And are C♯ & D♭ the same? Does that make ...
2
votes
3answers
323 views

Are tonal (sharp, flat and natural) key signatures octave specific? [duplicate]

I recently bought a piano for learning (by myself at the moment) and apart from doing basic exercises, I decided to start learning a piece to get a grip on music sheet reading as I go. On the sheet I'...
21
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4answers
1k views

Why do we need note names like B♭, D♭ etc.? Why not use only A♯, C♯ and so on?

The very same sharp/flat tones can be written in two ways: C♯ is the same as D♭ D♯ is the same as E♭ …and so on This is so confusing. What is the reason for it? ...
13
votes
7answers
2k views

Do accidentals override key signature?

I am wondering how the accidental in the first chord (see what is circled) is played? Does any accidental simply move the note up or down a half-step from what the note is supposed to be based on the ...
6
votes
4answers
382 views

Do accidentals apply to other staffs of the same type?

In this excerpt from Bach's BWV 772, does the B flat accidental on the lower staff also apply to the upper staff(second to last beat)? I know that accidentally usually do not apply to different ...
5
votes
2answers
359 views

What conventions are used with accidentals and tied notes?

If I have a tied note across a bar line, say 2 whole G notes, and I have an accidental, say a sharp, on the first G, my assumption is that the accidental applies as well to the second G because it is ...
16
votes
4answers
5k views

Can a scale contain both a sharp and a flat note?

So, the question should say it all, but for example: The G minor scale (G - A - Bb - C - D - Eb - F - G) To change this into the G harmonic minor scale, I would need to raise the seventh note a ...
12
votes
2answers
6k views

Can an accidental carry over to the next measure?

I have been practicing this piece (The Stars and Stripes Forever) for a while. On the first note of the second measure of the second line, there is a natural sign. I have always understood accidentals ...
4
votes
4answers
852 views

Temporarily Changing Keys - Which accidentals to use?

I've was taught that whenever you write a run of notes going up, you should use sharps instead of flats; And whenever you go downwards, you should generally write flats instead of sharps. My question ...
0
votes
3answers
97 views

Unusual Accidentals

I sometimes see a natural where it is unnecessary. Sometimes it is a courtesy natural but other times the note has not been flattened or sharpened at all and yet I see a natural that is already there ...