One week before Christmas, the Tonhalle shines with musical lights thanks to Bach, Mozart and Brahms. "Jauchzet Gott" is the cry from the opening solo cantata by Johann Sebastian Bach, whose interpretation Yeree Suh, who is in demand internationally, especially for baroque repertoire, takes on. The South Korean soprano shines from all sides in the virtuoso solo motet Exsultate, jubilateby Wolfgang Amadeus Mozart with the famous Alleluia at the end. But not only there, there is also an "aha" moment in Bach's 3rd orchestral suite: namely when the first notes of the world-famous Air sound after the overture. Johannes Brahms' so-called Haydn Variations form the crowning glory of this festive Christmas programme, for which the Argentinian conductor Rubén Dubrovsky, who was responsible for the music of Handel's opera Giulio Cesare in Egitto here at the theatre , returns to the St.Gallen Symphony Orchestra.