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double-flat?

Moderator: Michael Good

double-flat?

Postby Mario Lang » Wed Mar 25, 2009 3:51 am

Hi.

Looking at the valid accidental names in MusicXML XSD, I am confused:

<xs:enumeration value="double-sharp"/>
<xs:enumeration value="sharp-sharp"/>
<xs:enumeration value="flat-flat"/>

Is sharp-sharp a synonym for double-sharp? If so, why is there no double-flat? And if not, what is the difference between sharp-sharp and double-sharp, and again, why is there no complementary double-flat.

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RE: double-flat?

Postby Michael Good » Wed Mar 25, 2009 10:28 am

Hi Mario,

In printed music, a double sharp can be represented two different ways:

1) A single symbol that looks like an x. This is the most common way, and is represented by the double-sharp value in MusicXML.

2) Two sharp (#) symbols. This is a less common way typically used in older editions of older music, and is represented by the sharp-sharp value in MusicXML.

Double flats are only represented with two flat (b) symbols, so there is only the flat-flat value in MusicXML.

I would expect that Braille or talking music would not make the distinction between MusicXML's double-sharp and sharp-sharp values. I would recommend writing double sharps using double-sharp, and reading double-sharp and sharp-sharp as synonyms.

Best regards,

Michael Good Recordare LLC

Of Mario Lang

Hi.

Looking at the valid accidental names in MusicXML XSD, I am confused:

<xs:enumeration value="double-sharp"/>
<xs:enumeration value="sharp-sharp"/>
<xs:enumeration value="flat-flat"/>

Is sharp-sharp a synonym for double-sharp? If so, why is there no double-flat? And if not, what is the difference between sharp-sharp and double-sharp, and again, why is there no complementary double-flat.
Michael Good
VP of MusicXML Technologies
MakeMusic, Inc.
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Re: double-flat?

Postby Matthew.James.Briggs » Thu Jul 07, 2016 11:31 pm

I just hit this gotchya in the Lilypond "unofficial music xml test suit" ‘01e-Pitches-ParenthesizedAccidentals.xml’ has values of "double-flat" (at least the copy I have does).

The link on the page seems to be broken:

http://lilypond.org/doc/v2.18/input/reg ... files.html

http://lilypond.org/doc/v2.19/input/reg ... 754616.xml
“Now that things are so simple, there's so much to do.” - Morton Feldman
http://matthewjamesbriggs.com
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