And he says while other genres are moving forward, rock has been stuck in a rut for two decades. He tells Entertainment Weekly: "If you look at most alternative rock music in 2015, it hasn't really evolved for 20 years.

"We get our asses kicked by EDM or some of these artists that are more keyboard and drum machine and reverb. They're engaging in new technology. Guitar isn't new technology - there are only so many ways you can warp it around.