Kammersänger abbreviation: "Ks.", literally means "Chamber singer." It is a German

German language

German is a West Germanic language, related to and classified alongside English and Dutch. With an estimated 90 – 98 million native speakers, German is one of the world's major languages and is the most widely-spoken first language in the European Union....

 honorific title for distinguished singers. Historically, the title was bestowed by princes or kings, when it was styled Hofkammersänger(in).

The title is given in Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 and in Austria

Austria

Austria , officially the Republic of Austria , is a landlocked country of roughly 8.4 million people in Central Europe. It is bordered by the Czech Republic and Germany to the north, Slovakia and Hungary to the east, Slovenia and Italy to the south, and Switzerland and Liechtenstein to the...

 usually on the recommendation of relevant national and local institutions. In the former German Democratic Republic

German Democratic Republic

The German Democratic Republic , informally called East Germany by West Germany and other countries, was a socialist state established in 1949 in the Soviet zone of occupied Germany, including East Berlin of the Allied-occupied capital city...

, some concert halls bestowed this designation.

The equivalent designation in Sweden

Sweden

Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....

 is Hovsångare

Hovsångare

Hovsångare , literally Court Singer, is a title awarded by the Swedish monarch to a singer who, by their vocal art, has contributed to the international standing of Swedish singing. The formal title was introduced by King Gustav III of Sweden in 1773, with the first recipients being Elisabeth Olin...

(or Hovsångerska for female singers).