May Oskan at Rio Nido Roadhouse

May Oskan is a vocal powerhouse who commands every stage they step onto. Based in Oakland, California, May has built a reputation not just as a world-class performer, but as a “singer’s singer”—blending raw, rock-and-roll grit with the sophisticated technicality of a master voice scientist.

The Voice

May’s performances are a masterclass in versatility. Best known as the electrifying lead singer for the premier tribute band Rebel Rebel, they have spent years captivating audiences with an uncanny ability to navigate David Bowie’s legendary vocal range—from soaring falsettos to soulful, deep-chested baritones. Beyond the rock stage, May is a fixture in the Bay Area’s jazz scene, where their “rich and expressive” delivery (as noted by critics during their original musical The Ape Woman) shines in intimate, high-stakes settings.

The Artistry

What sets May apart is the sheer depth behind the microphone. As an expert in vocal pedagogy and “rough effects,” May understands the voice better than almost anyone in the industry. This expertise allows them to push vocal boundaries—incorporating everything from delicate jazz nuances to powerful, controlled distortion—while maintaining a magnetic, effortless stage presence.’s musical career is defined by her versatility, ranging from high-energy rock performance and experimental theater to a recent focus on jazz and vocal science.