These choirs sometimes combine for a common performances encompassing over 1,500 voices.
With their performance at the Soccer World Cup in 1974 they became known to a worldwide audience.
Major tours include visits to Rome, Jerusalem, and the USA.
The choirs are popular in German TV and participate in many entertainment programs.
In 1990 Gotthilf Fischer and his choirs received their own program, Strasse der Lieder (Road of the Songs).