Christoph Kalz, composer compositions, adaptations, arrangements, sheet music and lyrics
Chörli | A cappella at its finest – from yodelling to rock! | Beinwil in Aargau, Switzerland |

30.06.2011: “We are very happy with your arrangements, which are perfectly tailored to us and do justice to our skills. They sound really cool; a cappella style as we love it! And they’re a hit with our audiences too”.