The next years she toured European cities, wearing a self-composed costume, singing gypsy songs and playing lute, performing on the street, at restaurants, cabarets and occasionally in musical comedies.

[4] Chat Noir became a cultural meeting place, with the artists Christian and Oda Krohg (Bokken's sister) as leading figures.

Herman Wildenvey and Arnulf Øverland contributed with poetry, Vilhelm Dybwad composed melodies, and Bokken Lasson was singing.

[3] Lalla – later married Carlsen – was engaged at Chat Noir until 1947, and came to be one of the most popular revue artists in Norway.

[6] During the occupation of Norway by Nazi Germany during World War II, private theatres, including Chat Noir, continued playing, but the material was subject to censorship.

At the outset of the theatre strike 21 May 1941, when six actors at Nationaltheatret had been fired by the Nazi authorities, director Wiers-Jenssen promptly cancelled a premiere shortly before the public was to enter.