They're selling the track to raise money for Mercy Corps, a disaster relief organization. You can listen to "Fascinating" below before you buy.

 

According to a press release, the band first recorded the song in 2001. Even though it was singer Michael Stipe's favorite track from the Reveal sessions, it wound up on the cutting-room floor. They gave it another shot in 2004 while recording Around the Sun at Compass Point Studios in Nassau, Bahamas, but felt the song's sound contrasted with other tracks on the album.

 

The song can be streamed at Bandcamp and downloaded for a minimum donation of $2, with all of the money going to Mercy Corps, which will provide 3,000 families with emergency kits and solar lanterns that have USB ports to keep mobile devices charged. R.E.M. previously raised money for the organization following 2005's Hurricane Katrina.