I can understand Joni's attraction to both these brilliant musicians, Jimi and Jaco, who both stormed the scene, blowing everyone's mind, revolutionized their respective instruments and music itself forever, and burned brightly much too briefly.
Jaco quoted Jimi's "Third Stone From the Sun" in just about every extended solo he played. I am convinced that if they were both alive today, they would be collaborating for sure. By the way, Jimi is a cornerstone of two other legendary musical meetings that I've always drooled over: one with Jefferson Airplane, and one with Miles Davis. In the case of the latter, a studio date was scheduled, but Miles bailed for some reason. -Fred