Matthew is a versatile musician who’s proficient on the piano and accordion as well as the Hammond B3 organ. He’s been playing for the Braves since the 2009 season. A popular figure in the baseball world, he’s known for entertaining the crowds with funny musical asides when a player from the opposing team is announced.

Outside of his seasonal day job, Kaminski is a very busy performing and recording artist. He’s released three studio CDs on Tony Monaco’s Chicken Coup (Summit) Records: Taking My Time in 2010, Swingin' on the New Hammond in 2014, and Live at Churchill Grounds in 2016, as well as a self-released digital album in 2013 of music from the ballpark called Stadium Organ Sounds. His most recent self produced recording, Baseball Organ in Hi-Fi, features full solo organ versions of the fan favorite songs often played at Atlanta Braves games.