in Q&A, Lindsey said that he might possibly collaborate with younger female singer - could this be a clue?
https://www.wsj.com/articles/favorit...50?mod=e2twmag
Lindsey Buckingham (rock musician and former vocalist in Fleetwood Mac)
“Fire,” by Waxahatchee
“When I first heard ‘Fire’ on the radio, I was quite taken by the vocal performance—rough and raw, refined and tender all at once. [Singer-songwriter] Katie Crutchfield strikes me as an original, someone I’d love to work with should our paths ever cross.”