Bunkafu is the tablature notation created specifically for the shamisen. Instead of showing absolute pitch like Western staff notation, it shows which of the shamisen's three strings to play and where to press it (the finger position, or "tsubo") using numbers written on three lines. It is by far the most common notation used in shamisen method books and lessons in Japan.
Where bunkafu came from
Bunkafu was devised so that people who cannot read staff notation could still play the shamisen. Because the shamisen is tuned differently depending on the piece (honchōshi, niagari, sansagari), notating the playing action itself — rather than absolute pitch — turned out to be more practical.
How to read it
Three lines = three strings
The three parallel lines correspond to the shamisen's three strings. Most bunkafu is written vertically and read right to left.
Numbers = finger position
A number on a line tells you where to press that string. "0" means an open string; higher numbers mean pressing further up the neck.
Rhythm and playing symbols
Short lines under a number indicate note duration, and small kana characters (such as "su" for a scoop stroke or "ha" for a pluck) indicate special playing techniques.
Bunkafu vs. staff notation
Staff notation encodes absolute pitch; bunkafu encodes finger position on a specific string. That means the same sheet can sound different depending on tuning — but it also means you can reproduce a performance from finger movement alone, without needing to know pitch theory.
Tips for self-taught players
- Start by focusing on the numbers and rhythm lines; learn the playing symbols later.
- Practice with songs you already know by ear — it's easier to connect numbers to melody.
- Check your reading against the actual sound rather than reading silently.
With Shami Ittai you can photograph a paper bunkafu score with your phone, turn it into a digital score, and play it back instantly to check your reading — a great way to speed up self-study.
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