The choir has participated in concerts with artists such as Montserrat Caballé and orchestras such as the Brandenburgische Philharmonie Potsdam.
[2] The choir has toured in several European countries, including Austria, Belgium, Denmark, Lithuania, Luxembourg, the Netherlands, Poland and Slovakia.
[2][6] In 2003, the choir performed Bach's St John Passion in Switzerland and France, including the festival Printemps Baroque.
In 2004, the Wiesbadener Knabenchor was the first German boys' choir to perform in Bulgaria after the end of socialism, singing in Sofia, Plovdiv, Blagoevgrad, Dupnitsa and Sandanski.
[2] The jury wrote that the choir has enriched the cultural life of the city for more than fifty years, with constantly high artistic quality ("Seit über 50 Jahren bereichert der Wiesbadener Knabenchor bei konstant hoher künstlerischer Qualität die Musiklandschaft und das kulturelle Leben unserer Stadt"),[8] and that it has been an ambassador of the capital ("Botschafter der Landeshauptstadt")[8] and worked in exchange with youth choirs in other countries.