Draft:3jcn music notation
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3JCN music notation (also called 3JCNGUYEN Music Notation or simply 3JCN) is an alternative, text-based musical notation system invented by Vietnamese-American educator Thomas Nguyen. The system replaces the traditional five-line staff used in Western music notation with alphanumeric pitch–octave–duration symbols intended to simplify reading for beginners and for learners who struggle with conventional notation. 3JCN is protected under a United States patent issued in 2015.[1]
3JCN is listed and described by the Music Notation Project as one of the contemporary “systems that do not use a staff,”[2] and it has been mentioned in independent surveys of alternative notation systems.[3]
History
[edit]Thomas Nguyen began developing 3JCN in 2007 while teaching piano keyboard and mathematics. Seeking a system that was more intuitive than traditional staff notation, particularly for beginners, he created an alphanumeric method for showing pitch, duration, key signatures, and accidentals. The first public description of the system appeared in a United States patent application published in 2014 and later granted in 2015 as U.S. Patent 9,196,171 B2.[1]
3JCN later appeared in independent catalogues of alternative music-notation systems, including the Music Notation Project database[2] and the Mae Mai timeline of the global history of notation.[3]
Design
[edit]3JCN notation does not use a staff.[2] Instead, each note is encoded by a sequence of characters indicating:
- **Octave** – a number (e.g., 6 for notes around middle C)
- **Pitch class** – a letter a–g or A-G
- **Duration** – a number representing rhythmic value
For example, the symbol represents a quarter-note middle C.[2]
Accidentals are written as:
- + for sharp
- − for flat
- o for natural
Rests are written as numbers without pitch letters. Durations may be given as:
- decimals (e.g., 0.5 for an eighth note)
- fractions (e.g., 3/4 for a dotted eighth)
3JCN does not rely on vertical placement to indicate pitch; instead, pitch is encoded directly in the alphanumeric symbol.[1]
The system includes representations for time signatures, repeats, barlines, articulations, and standard musical markings.
Applications
[edit]3JCN is primarily intended for beginner musicians, especially learners who find the spatial structure of staff notation challenging.
Nguyen has published numerous scores, side-by-side staff comparisons, and an online notation-builder that allows users to create 3JCN scores interactively.
Reception
[edit]The Music Notation Project describes 3JCN as an example of a non-staff, pitch-coded system.[2] In independent notation surveys, such as Silpayamanant’s “Timeline of Music Notation,” the system is included among modern experimental notations developed in the early twenty-first century.[3]
3JCN has been used by individual learners who report finding it easier than traditional notation, especially for disability-related or cognitive reasons, although it has not been adopted by mainstream commercial music publishers.
See also
[edit]References
[edit]- 1 2 3 US 9196171, Nguyen, Thomas, "3JCN music notation", published 24 November 2015
- 1 2 3 4 5 "3JCNGUYEN Music Notation". The Music Notation Project. Retrieved 21 November 2025.
- 1 2 3 Silpayamanant, Jodru. "Timeline of Music Notation". Mae Mai. Retrieved 21 November 2025.
External links
[edit]Category:Musical notation Category:Music education Category:Music technology
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