Gunter Gabriel (born Günter Caspelherr; 11 June 1942 – 22 June 2017) was a German singer, musician and composer. Gabriel became famous in Germany as singer of Schlager songs. Gabriel had four children. He married four times. Gabriel lived in Hamburg-Harburg. Gabriel published Wer einmal tief im Keller saß. Erinnerungen eines Rebellen mit Oliver Flesch in 2009 (ISBN 978-3941378179). Gunter Gabriel died 22 June 2017. .