1995.  70 minutes audio highlights documentary - graf, hans - es war einmal (maerchenoper in 1 vors,prelude,guelke, peter - festwalzer und walzerintermezzo,petersen quartet - 5 peaces for string quartet ..

2004.  - hotter, hans - lebenslied,hotter, hans - urgrossvaters gesellschaft,hotter, hans - wanderers nachtlied 2 (ueber allen,hotter, hans - waer' ich ein munt'res vogelein,hotter, hans - treue liebe daue..

2017. Biographical information Trio Hemanay was formed at the beginning of 1997. Since then it has had extraordinary success throughout South Africa. Well known Johannesburg music critic Thys Odendaal has singled..