36 string bass! (Credits to Davie504) : r/nextfuckinglevel
36 STRINGS BASS SOLO (World Record) - YouTube
Bass Bench: Designing a 24-String Bass - Premier Guitar
Davie504 Breaks World Record, Plays Solo on 36-String Bass | Music News @ Ultimate-Guitar.Com
Musician Plays Solo on Enormous 69 String Bass
Mike Rodriguez on Twitter: "24 string bass from Prat Basses and Guitars. (36 string guitar?) the bass tech would hate you #NAMM2014 http://t.co/K7MyKvcb7b" / Twitter