Fender VI
The Fender VI was a six-string electric bass developed by Fender in 1961 as Fender's take on Danelectro's 1956 concept. In essence, it was a guitar tuned down an octave, featuring a floating tremolo arm. As a specialist-type instrument, its range was limited and never proved popular (as bassists shunned its tightly spaced strings versus a four-string bass), although legendary bassist Jack Bruce of Cream used one, giving it some fame.