According to the Internet source given below, Egon Ziesmann is a German composer, born and raised in Celle. Whilst still at school he was active as a choir leader and songwriter in youth club circles. His first spirituals, songs arrangements result from this period. He studied at the "Staatl. Hochschule für Musik und Theater" in Hannover under Willi Träder. On completion of his studies he became a music teacher in the "Hölty-Gymnasium", Celle, where he grounded two school choirs, a big-band and lead a chamber orchestra.
Amongst his many activities, Ziesmann has lead many tours with youth choirs (England, France, Israel, Denmark, Italy, Poland), published several songbooks and produced CDs.