Listen to Benefice cernych koni online. Benefice cernych koni is a Czech language song and is sung by Petr Hapka, Michal Horacek and Michal Kocáb. Benefice cernych koni, from the album Benefice cernych koni - Best Of 1987-2010, was released in the year 2014. The duration of the song is 8:10. Download Czech songs online from JioSaavn.