"It's far and away the best singing on the album" - Chris Martin on Rihanna's contribution.
It's been five years since their sprawling double album 'Stadium Arcadium'. They've lost their guitar hero John Frusciante. Will the Peppers come roaring back? Actually, they seem pretty relaxed.
Twenty years on, they've put their differences aside and are touring the world together!
Rocking out with the Big 4 trumps potential paralysis, according to Mustaine.