As part of the series of articles ‘Nynější stav hudby v Čechách vůbec a v Praze zvlášť’ [The present state of music in Bohemia in general and in Prague especially], Lumír 5/11/1857, p.1074 reported that the sextet of K. Černý ranked among the three best of the ‘very many’ that were then active in Prague. These ensembles were noted to play in coffee houses and in inns.