An Introduction to the Wide World of Alternate 12-String Guitar Tunings – Flypaper

The more strings your guitar has, the more opportunities you've got to mess around and create dissonant new tones through subtle retuning.

2019 Fender Alternate Reality Electric XII 12-String – Empire Guitars

An Introduction to the Wide World of Alternate 12-String Guitar Tunings – Flypaper

Alan's Album Archives: Pentangle: Solo/Live/Compilation/Reunion Albums Part Three 1988-2011

What are some good alternate tunings for a twelve string? - Guitar Noise

An Introduction to the 12 String Guitar

2019 Fender Alternate Reality Electric XII 12-String – Empire Guitars

Mandala #122 - TrendyMandalas

Black Mountain Rag: 12 String Open D Tuning Arrangement/Lesson

Music - Wikipedia

The Ultimate Alternate Tunings Library - Roadie Tuner

What does it mean to tune a stringed instrument 'polyphonically'? - Quora

Exotic Beauty, Startling Voice - FolkWorks