About Us

Brandon Zlotnik, Tenor, is a Senior Data Analyst at Nationwide Children's Hospital in Columbus, OH. He has been involved in barbershop quartet singing since he was in high school. Brandon previously sang with the Columbus-based youth quartet "Buck 50", placing 17th in the Varsity Quartet Competition in Charlotte, NC in 2022. Before that, he sang with a high school quartet called "Wing It!". When he is not singing, Brandon spends his time as an editor and filmmaker under the alias Xemptful. Brandon's excellent vocal tambour brings a strong Tenor sound to Exhibit A.

Grant Campbell, Bass, is a seasoned barbershop singer with over 7 years of experience, including more than a decade of collaboration with Alex Hackworth, the lead of his quartet. He currently sings with the Vocal Confluence chorus, continuing to hone his vocal skills and passion for harmony. In his professional life, Grant is a financial advisor, helping clients navigate their financial goals. A fun fact about him is that he spent 5 years working in the film industry, where he had the opportunity to make friends with several celebrities. Additionally, Grant has lived in 5 different states, adding a rich variety of experiences to his life and work.

Alex Hackworth, Lead, is an Information Systems and Technology Engineer for DataServ, a managed IT provider, working on their network infrastructure support team. He discovered barbershop as a member of the Men's Chorus at Bowling Green State University, and hasn't stopped singing since! His first quartet was called "Three Beards and a Bald Guy," and he also got to sing in the 2019 Varsity Quartet Contest with "The PlayHouse Squares." He also has been a member of the Men of Independence since 2017. When he's not singing, he's playing video games, building PCs, or enjoying quality time with his cat and Fiancé.

Evan Keller, Baritone, is a resident physician at UPMC in Pittsburgh. He has been singing barbershop for 7 years and is a proud member of his local chorus, Vocal Confluence. He prides himself on his vocal range and versatility, you can often find him multitracking four part tags! When he's not singing (which is rare), he's running or playing with his cats.