As a kid unfamiliar with Rush I thought for sure Geddy Lee was a woman when I heard Tom Sawyer.
I think ELO and Traveling Wilburys founder Jeff Lynne has one of the easiest falsettos in all of rock music.
I had totally forgotten of Ruth Pointer when I came up with this category. Good one, KnappShack!
The gender of the singer of Sukiyaki, had me puzzled for years:
Vince Neil
—> some of it is "arena-rock yelp" … but … it qualifies.
Bethany Cosentino (Best Coast)
When I first heard this song on the radio I thought the singer was female.
I know that's hard to believe (the "I have had two friends part.)