Concrete and Gold
was produced by Greg Kurstin, the man behind hits for the likes of Kelly Clarkson ("What Doesn't Kill You (Stronger)
"), Adele ("Hello
") and Sia ("Cheap Thrills
.") Dave Grohl told The Guardian
"Four years ago a song came on the radio called 'Again & Again,' by The Bird and the Bee. I became obsessed. Three months later I was in Hawaii and I see the guy from The Bird and the Bee. I said: 'I don't want to interrupt, but I'm such a huge fan and you're a genius.' I asked about a new Bird and the Bee record and he said he had to finish producing Sia, Pink, Beyoncé and Adele. I had no idea he was a producer too! Then, while Foo Fighters were taking our break – which was basically just us making a record in secret – I asked the guys what they thought about Greg Kurstin. I played them Adele, Sia and Beck, and the guys were like: 'Are you sure?'
I thought if we made the biggest-sounding Foo Fighters record sonically, but we incorporated Greg's sense of melody and composition, we could make something that sounds like Slayer making Pet Sounds
. And the crazy thing is, we actually did what we set out to do. Nobody wants to say 'this is the best album we've ever made,' but when you hear it, you'll be surprised. It does not sound like something we've done before."