“She took us back to have a bit of the African culture,” says Williams, 43.

“I loved it: the hot weather, the lovely people, the lovely culture.”

This March, the eight-piece group will release their second album,Uyai, via the indie powerhouse Merge.

Citadel Festival 2015

Credit: Joseph Okpako/WireImage

But Ibibio Sound System aren’t afraid to address social and political issues.

“I was in the studio when I heard [the kidnapping had happened],” says Williams.

“Why can’t we just be free to be who we want to be?

Why can’t children just be free?

It’s not an angry song.

It’s a challenge.

It’s [about] empowering people.”