Meet the man who has has worked with everyone from Arcade Fire to Calvin Harris

Music Cork, the industry showcase, returns to the city for a second year. Top of the bill is Isaac Green, the esteemed A&R at Columbia who has worked with everyone from Arcade Fire to Calvin Harris, writes Ed Power.

Is rock ’n roll dead? It’s a question Columbia Records executive Isaac Green is asked on an almost daily basis — and one to which he doesn’t quite know how to respond without sounding as if he’s being deliberately vague.