Dodeka music notation

The Dodeka Music Notation is an alternative music notation or musical notation system invented and designed in 1980s by inventor and musician Jacques-Daniel Rochat in an attempt to improve upon traditional music notation.

Dodeka musical staff and pitch representations

Staff and pitch

Unlike conventional musical notation, the Dodeka music notation system uses a chromatic scale of 12 pitches and follows an equal pitch intervals configuration, with 4 lines per octave.[1][2] In this configuration, the 12 notes of an octave appear in four positions vis-à-vis the staff lines, that is, either on, between, above and below the lines.[2]

Each pitch has its own unique place on the staff. And while conventional music notation may alter notes using accidental signs or key signatures, notes in the Dodeka notation appear as they are. There are no more key signatures or accidental signs in this musical system.

Dodeka musical note duration compared to conventional symbols

Note duration

The Dodeka notation system represents note duration in a visual manner. Note lengths are represented through the notes graphical shapes, similar to what can be found in sequencer programmes. The reference time unit or time value being the quarter note (or crotchet), all durations are expressed as visual ratios from this reference point.[3] For example, a whole note is the representation of four quarter note lengths. At the opposite, an eighth note (or quaver) is twice as short as a quarter note.

Octaves and clefs

While traditional music notation represents the whole musical spectrum with different clefs, such as the treble or bass clefs, in the Dodeka notation the staff configuration is consistent throughout the octaves. This means that each pitch has its own unique position on the staff regardless of the octaves.[3] For example, a C always keeps its position in every octave.

Relationship with keyboard layout

The Dodeka music notation was developed together with the Dodeka keyboard: an alternative keyboard layout that reflects the notation system. With this keyboard, the relationship between the notes on the sheet music and the keys on the keyboard are direct and consistent thanks to colour references.[1][4]

gollark: I should really have some counterapiomeasures in place if a channel/server doesn't exist when it tries to remind someone.
gollark: ++remind 1y6mo take over server
gollark: ++remind 122d23h50m launch counterbees.
gollark: ++ping
gollark: You were banned by international treaty [REDACTED] violation of apioconvention 336.

References
  1. Kientz, Bertrand (2015). "BIGRAM EDITOR: A SCORE EDITOR FOR THE BIGRAM NOTATION" (PDF). Tenor.
  2. "Systems with twelve vertical staff positions per octave". The Music Notation Project.
  3. Rochat, Jacques-Daniel (2018). Dodeka: A Musical Revolution. ISBN 978-2-9701275-0-5.
  4. Dredge, Stuart (August 15, 2017). "Dodeka rethinks the keyboard… and music notation". Music:ally.
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