I'm thinking the late, great Stevie Ray Vaughn needs a place on this list. And, if ever you saw him live, you know what I'm saying. Plus, the guy died in a helicopter crash. That's Badass!
Many of y'all probably haven't heard of David Bromberg, but I'd have him on my list.
Last, Loggins and Messina could on the one hand be badass and on the other the opposite. While House at Pooh Corner might help show the girlfriend your softer side, give me tunes like Angry Eyes any time for the badass mood.
Labor is prior to, and independent of, capital. Capital is only the fruit of labor, and could never have existed if labor had not first existed. Labor is the superior of capital, and deserves much the higher consideration.