This song definitely crosses over to the darkside. It is epic. It takes a serious tone as well. Some other songs that you may be familiar with are Breaking the Girl, Dani California, By the Way, Suck My Kiss, The Zephyr Song,Soul to Squeeze, and Around The World.
If you asked the members of the group about their music they would say “funk”. Others may add it primarily consists of rock with an emphasis on funk, add a few elements from other genres such as punk rock and psychedelic rock.