In 1995 he played with the Philharmonia Orchestra (London) in the presence of HRH Prince Charles at St. James‘s Palace, in 2000 at the Vatican in St. Peter‘s Square for Pope John Paul II and in 2001 with the China National Symphony Orchestra conducted by Muhai Tang in the Forbidden City in Beijing.
In 2004 he premiered three pieces of the Czech composer Juraj Filas, whose teacher was a student of Dvořák, two of them at the Beethovenfest (Bonn).
In 2006, for the 250th birthday of Mozart, he initiated the Little Amadeus & Friends Aktionstag for German grammar schools together with Peter Will, the television producer of the international children's TV series (awarded with the Echo Klassik in Germany).
Otto Sauter is artistic director of the ensemble Ten of the Best and has worked with orchestras and artists like RSO Prague, RSO MDR and HR, Czech Philharmonic, Malmö Symphony Orchestra, Beethoven Orchester Bonn, Bachcollegium Leipzig, Sinfonia Varsovia, Münchner Kammerorchester, Cappella Istropolitana, Edita Gruberová, José Carreras, Gösta Winbergh, Ivo Pogorelić, Elena Bashkirova, Jochen Kowalski, Mario Adorf, Michael Mendl, Zubin Mehta, Daniel Barenboim, Christoph Poppen, Marcello Viotti.
Each year he invites international artists like Montserrat Caballé and Bobby McFerrin to give a joint concert for the Otto Sauter Foundation on the shores of Lake Constance.