5 Pioneers of 9-String Guitars Who Actually Use Them | Articles @ Ultimate- Guitar.Com
6 String Guitars vs Extended Range Guitars (7, 8, and 9 Strings) - Musician Madness
Eight-string guitar - Wikipedia
Guitar Tuning - Chord Scale Generator
I got fed up with my 9 string because it couldn't get the sound I wanted. Now I can tune down to drop Gbbbbbbb and it's the best toan : r/guitarcirclejerk
Massassi - Original Double Drop B 9 String Guitar Song feat. Johnny Ciardullo - YouTube