http://www.blabbermouth.net/news/the-cranberries-to-release-final-album-in-the-end-in-april/ : With the songs at various stages of completion they turned to Stephen Street — who had produced four of their previous albums including "Everybody Else Is Doing It", "So Why Can't We?" and "No Need To Argue" — and spent four weeks in a London studio building the sounds around her vocals from the original demos.

Megadeth's current drummer teams up with Shane Embury, though the drummer has yet to play on any Megadeth recordings:

http://www.metalinjection.net/av/new-music/members-of-napalm-death-megadeth-team-up-for-heavy-new-band-tronos