As a guest of the Salve Regina choir from Keszthely dr. Sándor Balatoni was invited to play the organ on two occasions in Passau, Germany in February. On 16th February dr. Sandor Balatoni has played the great organ of the Passau Cathedral which is still the largest pipe church organ in Europe. As a presenter recital he performed J.S. Bach: Prelude and fugue in b minor (BWV 544) L. Vierne: Final (1st Symphony) and an improvisation. On 17th February he accompanied the choir at the High Mass at the Downtown Parish Church of Passau where he accompanied Zoltán C. Tóth: Mass of Keszthely, L. Halmos: Psalm 100. and Z. Kodály: Psalm 114. also played the organ as a soloist with Z. Kodaly: Epigrams, F. Liszt: Tu es Petrus, J.S. Bach: Concerto in G major (BWV 592).