Variety talked with Billie Joe of Green Day:

“You have to live life to write songs about your life,” says Armstrong. “I do like to take my time with the lyrics to make sure that they project the way I feel, internalize what’s going on in my own life and what’s going on in the culture. So that’s important. We live in such a crazy world. Now, everything is wide open. So I think it was at a pace of every four years, but now it’s like you put out a song or an EP, an LP, whatever it is, and with streaming there are no rules.”