A faithful tradition has been established for several years at the Protestant temple of Sion: the students of HEMU occasionally share a moment of music there at the end of the cult, Taking advantage of a magic acoustics. A faithful tradition has been established for several years at the Protestant temple of Sion: the students of HEMU occasionally share a moment of music there at the end of the cult, Taking advantage of a magic acoustics. An appointment appreciated both by music lovers and by the performers who are always delighted with the warm and benevolent welcome reserved for them.