Mac OBrien

Mac O'Brien built her career the hard way—earning fans night after night, from dive bars to festival main stages across the Midwest. First recognized as a standout teen songwriter by Nashville's Up and Comer radio program and Merf Music Nashville, she quickly began collaborating with acclaimed writers and producers from around the country. Formerly releasing music as Mackenzie O'Brien, her catalog has surpassed 1.5 million streams. Along the way, she has opened for top acts like with Lonestar, Chris Cagle, Pam Tillis, Rodney Atkins, Parker McCollum, Scotty McCreery, and Jordan Davis, and shared the stage with newer stars like Ella Langley, and Ashley McBryde! Mac has performed at major events including Country Thunder and Summerfest, where her band headlined the country stage in 2025 and will again in 2026. Now embracing a more rock-driven country americana sound, Mac channels personal struggles into songs filled with grit, vulnerability, and resilience. Her recent singles "Alien" and "Misery" were both featured on Apple Music's New in Rock editorial playlist, further cementing her emergence as one of the Midwest's rising voices in modern rock. Whether on a festival stage or in a packed club, Mac O'Brien delivers music with honesty, intensity, and heart.