It may not feature Roger Waters, but Pink Floyd‘s new album The Endless River does feature one interesting guest, physicist Stephen Hawking.

Hawking – who also appeared on Floyd’s The Division Bell – appears on a track called ‘Talkin’ Hawkin”, according to leaked album credits. The Endless River stems from the same 1994 sessions as The Division Bell, and according to Floyd drummer Nick Mason, share much in common with ambient heroes The Orb.

The Endless River will be released on November 10 through Columbia.