Learning fingerings as shapes

There are many Native American flute traditions, but the one commonly called the “Native American flute” today is the endblown Lakota-style flute, native to the Dakotas.

• It is a duct- or fipple-type flute, which means it easily produces sound, like a recorder or pennywhistle, though the construction is different.
• Many of the commercially-available flutes are labeled as Native-American-“style” flutes, which has to do with US laws about who can and can’t sell products as “Native American.”
• Many Native American “flutes” are sold as decorative or souvenir items, and not suitable for serious playing. My best recommendation is for the Butch Hall “concert” flutes (which I’ve reviewed previously). They are relatively simple in appearance (though beautifully crafted); some other makers’ flutes are highly-decorated, which does not guarantee high instrument quality.
• Modern NAFs generally have five or six finger holes. The five-holed flutes usually produce a minor pentatonic scale, and the six-holed ones add an additional note (the major sixth scale degree) plus some additional possibilities for cross-fingerings. Playing chromatically requires skillful half-holing in addition to cross fingerings, and these instruments really are better suited to mostly-pentatonic-type melodies. Most high-quality flutes are capable of playing over one octave but less than two.
• F-sharp minor and G-minor are common keys for solo playing, though many keys are available. If you need to play with Western-tuned instruments, you may wish to double-check before purchasing that a flute is tuned to your preferred pitch standard, as they are not tunable.
• There’s no surviving authentic ancient repertoire for these instruments; they are thought to have been mostly used for improvisation. (Prior to the influence of Western musicians, these instruments likely did not adhere to Western-type scales anyway; some were built with hole spacing based on the player’s hand size.) There is some modern (post-1970) repertoire for the instrument, most notably the compositions of R. Carlos Nakai (who is also probably the modern instrument’s best-known performer; also check out Grammy winner Mary Youngblood).
• There is some consensus for notating NAFs in the key of written F-sharp minor, and treating flutes in other keys as transposing. Nakai uses a kind of tablature notation system that closely resembles this, but is intended to use lines and spaces on a Western staff to express fingerings rather than pitches, so it can be used to notate for flutes with atypical tunings.
• The Nakai school of playing often incorporates bird- and animal-like sounds, including chirps at the beginnings and ends of notes produced by sudden bursts of air. (The required airflow for “standard” tone is low compared to modern Western woodwinds.) Vibrato, trills and tremolos, double- or flutter-tonguing, pitch inflections and portamenti, and grace notes are also common. Digital delay effects are commonly used to suggest the flute echoing against canyon walls.
• The only traditional ensemble for a NAF is pairing with a Native American drum, but NAFs are commonly played solo, or in New-Age-type settings.
• Native American flutes, like most fipple flutes, generally respond well to a low, open voicing, though the tone aesthetic is broad enough to potentially accommodate other approaches.