Check out a stream of the song "An envoy to the open fields" from Mew off their new album "And the glass handed kites": http://mfile.akamai.com/1689/rm/bmguk.download.akamai.com/1689/mew/envoy_clip_ISDN.ram
The track is one of two that features guest vocals from J Mascis (Dinosaur Jr.). A free mp3 download is available to people who sign up for the band's mailing list.