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Merged
walterbender merged 3 commits into from
May 18, 2025
Merged

Add musical examples of double-sharp and double-flat usage (#3855) #4675

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e16e035
Add musical examples of double-sharp and double-flat usage (#3855)
JaySoni1 May 3, 2025
94d3a96
Update examples with Music Blocks code as requested
JaySoni1 May 17, 2025
48a971a
Update examples with Music Blocks code
JaySoni1 May 18, 2025
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19 changes: 19 additions & 0 deletions guide/README.md
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Expand Up @@ -381,6 +381,25 @@ lower by one half step. In the example, on the left, just the *Pitch*
block `re` is lowered by one half step; on the right, both *Pitch*
blocks are raised by one half step. (You can also use a double-sharp
or double-flat accidental.) [RUN LIVE](https://musicblocks.sugarlabs.org/index.html?id=1733231694757697&run=True)
##### Examples of Double-Sharp and Double-Flat Usage

Double-sharps (𝄪) and double-flats (𝄫) are used in certain keys and advanced compositions to preserve correct scale structure or harmonic context. Here are a few examples:

1. **G♯ Major Scale**
- Notes: G♯, A♯, B♯, C♯, D♯, E♯, F𝄪
- F𝄪 is used instead of G to keep the pattern of moving step by step through the musical alphabet (A to G).

2. **D♯ Major Scale**
- Notes: D♯, E♯, F𝄪, G♯, A♯, B♯, C𝄪
- C𝄪 is written instead of D so that the note names follow the correct sequence and each letter is used only once.

3. **F♭ Major Scale**
- Notes: F♭, G♭, A♭, B𝄫, C♭, D♭, E♭
- B𝄫 is used instead of A to preserve the proper spacing between scale steps.

4. **Béla Bartók’s Mikrokosmos No. 136 – "Whole-tone Scale"**
- This piece uses double-flats to keep the note names in the right order, even if some notes sound the same as others.
- Reference: [Mikrokosmos on Wikipedia](https://en.wikipedia.org/wiki/Mikrokosmos_(Bart%C3%B3k))

#### <a name="ADJUST-TRANSPOSITION">3.2.3 Adjusting Transposition</a>

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