GUIDO Music Notation is a computer

music notation Music is generally defined as the art of arranging sound to create some combination of form, harmony, melody, rhythm or otherwise expressive content. Exact definitions of music vary considerably around the world, though it is an aspect ...

format designed to logically represent all aspects of music in a manner that is both computer-readable and easily readable by human beings. It was named after Guido of Arezzo, who pioneered today's conventional musical notation 1,000 years ago. GUIDO was first designed by Holger H. Hoos (then at

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, now at

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) and Keith Hamel (

). Later developments have been done by the SALIERI Project by Holger H. Hoos, Kai Renz and Jürgen F. Kilian. GUIDO Music Notation has been designed to represent music in a logical format (with the ability to render to sheet music), whereas

LilyPond LilyPond is a computer program and file format for music engraving. One of LilyPond's major goals is to produce scores that are engraved with traditional layout rules, reflecting the era when scores were engraved by hand. LilyPond is cross-pl ...

is more narrowly focused on typesetting sheet music. *The basic idea behind the GUIDO design is ''representational adequacy'' which means that simple musical concepts are represented in a simple way and only complex notions require more complex representations

GUIDO is not primarily focused on conventional music notation, but has been invented as an open format, capable of storing musical, structural, and notational information. GUIDO Music Notation is designed as a flexible and easily extensible open standard. In particular, its syntax does not restrict the features it can represent. Thus, GUIDO can be easily adapted and customized to cover specialized musical concepts as might be required in the context of research projects in computational musicology. More importantly, GUIDO is designed in a way that when using such custom extensions, the resulting GUIDO data can still be processed by other applications that support GUIDO but are not aware of the custom extensions, which are gracefully ignored. This design also greatly facilitates the incremental implementation of GUIDO support in music software, which can speed up the software development process significantly, especially for research software and prototypes. GUIDO has been split into three consecutive layers: Basic GUIDO introduces the main concepts of the GUIDO design and allows to represent much of the conventional music of today. Advanced GUIDO extends Basic GUIDO by adding exact score-formatting and some more advanced musical concepts. Finally, Extended GUIDO can represent user-defined extensions, like microtonal information or user defined pitch classes.

Example of a GUIDO input file

Basic GUIDO notation is similar to that of the GNU LilyPond, LilyPond input format. Two obvious differences are the specification of octaves and durations, as shown in the example below. Both formats are to some extent inspired by the

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format for typesetting text. GUIDO music notation basic example

Sources

* Holger H. Hoos, Keith A. Hamel, Kai Renz, and Jürgen Kilian: Representing Score-Level Music Using the GUIDO Music-Notation Format. Computing in Musicology, Vol 12, MIT Press, 2001. * Holger H. Hoos, Keith A. Hamel, Kai Renz, Jürgen Kilian: The GUIDO Music Notation Format - A Novel Approach for Adequately Representing Score-level Music. Proceedings of ICMC'98, p. 451-454, ICMA, San Francisco, 1998. * Holger H. Hoos, Keith A. Hamel, Kai Renz, Jürgen Kilian: GUIDO Music Notation - Towards an Adequate Representation of Score-level Music. Proceedings of JIM'98, LMA-CNSR, 1998. * Kai Renz: Algorithms and Data Structures for a Music Notation System based on GUIDO Music Notation. PhD thesis. Fachbereich Informatik, Technische Universität Darmstadt, 2002.

External links

GUIDO Homepage

GUIDO Noteserver
– Renders GUIDO to sheet music online
Music 253, Stanford University
– Classroom introduction and exercises for GUIDO Music Notation. Scorewriters

Example of a GUIDO input file

Sources

See also

External links