Question: Which influential rock guitarist co-wrote "Finish What Ya Started" with Sammy Hagar in 1988 and was later named the number one guitarist by "Guitar World" magazine?
Sentence (from "Finish What Ya Started"): Despite the album being seemingly complete, Eddie Van Halen came up with the riff at 2 in the morning and went down to his then-neighbor Sammy Hagar to show it.
Relevant evidence: Yes