Answers revealed in the comments.
What element that was discovered by William Ramsay and Morris Travers in 1898 shares its name with a fictional location first introduced forty years later?
In 2011, Rolling Stone conducted a reader poll to select the top ten bass players of all-time. Victor Wooten, Cliff Burton, Jaco Pastorius, and Les Claypool all made the list. Name two of the other six musicians in the top ten.