2023. The trombone quartet, founded in 2022, is comprised of four musicians who have individually been connected with the Kühnl & Hoyer company for many years. By contributing ideas for the further developm..

2023. The trombone quartet, founded in 2022, is comprised of four musicians who have individually been connected with the Kühnl & Hoyer company for many years. By contributing ideas for the further developm..