Matthew Charles Prozialeck is a Chicago based Blues harmonica player. From Naperville Illinois, he played on the Chicago Blues scene and in the Ed Burns R&B Revue. He relocated to Boston, MA and spent nearly four years with Erin Harpe & The Delta Swingers appearing on two albums. He later appeared as a guest on GA-20's first album and 45 single. He was a member of The Wandering Ones and works as a solo artist. He returned to Chicago in 2024 and has been performing with Matt Keen. He is a featured artist for Seydel Harmonicas.