COP is a Czech bluegrass band from Plzeň, founded in 1978. The group is led by singer and guitarist Miroslav "Míša" Leicht and has won the prestigious Porta festival three times (1980, 1981, 1987). In 2002 they received the Anděl award in the Folk & Country category. They remain one of the most active and enduring acts on the Czech folk and bluegrass scene.
The fourth edition of a country, folk and tramp music festival on the castle courtyard. Featuring legendary COP, Samson a jeho parta, the fifty-year-old Květinka and other bands, with a country ball to close the evening.
The 34th MUZIKA festival features a diverse lineup of Czech musicians and bands performing in a natural outdoor amphitheatre.
The 24th edition of this music festival takes place on Saturday, August 1, 2026, at the open-air stage near the community centre in Konstantinovy Lázně. Five performers and bands perform from 14:00 to 22:15.