overview opening hours The Loop Jazz Club represents a popular jazz club, offering excellent acoustics and a unique atmosphere. It is located in the building of the Czech National Symphony Orchestra (ČNSO) in Hostivař. ČNSO has earned an enviable reputation among both Czech and Europe’s top symphonic ensembles. Renowned for its versatility, the orchestra annually presents a broad programme ranging from classical music concerts to contemporary genres, film music, jazz and musicals. Since 2005 the Czech National Symphony Orchestra is also organising the summer Prague Proms Festival and offers an original program for the most demanding audience. opening hours Only on the date of the concert, from 20:00 to 24:00 (see event calendar). Get a 20% discount on concerts organized by the Czech National Symphony Orchestra or on the MHF Prague Proms concerts with the Prague Visitor Pass, and thus experience an unrepeatable evening of classical, film, jazz or musical tunes. The discount can only be claimed by phone at +420 774 377 523 or via email ticket@cnso.cz. more about opening hours Source: https://www.loopjazzclub.cz opening hours Only on the date of the concert, from 20:00 to 24:00 (see event calendar). Get a 20% discount on concerts organized by the Czech National Symphony Orchestra or on the MHF Prague Proms concerts with the Prague Visitor Pass, and thus experience an unrepeatable evening of classical, film, jazz or musical tunes. The discount can only be claimed by phone at +420 774 377 523 or via email ticket@cnso.cz.