For an established artist, a crossover single could mean a rejuvenated fanbase, or a colossal embarrassment. We've seen it go both ways. But over the course of a nearly 20-year career, John Mayer has managed to make a musical impact far beyond his preferred strain of blues and pop.

There's the unreleased Kanye West collaboration, acoustic Drake covers, and a Common collaboration that you didn't know you already loved. Get familiar with some of Mayer's accomplishments above, and catch him on the Bud Light Dive Bar Tour this Wednesday, July 26 in Los Angeles, or on Facebook Live. john-mayer-dive-bar