Much of Myrberg's writing appeared under the pseudonym of
Svarta Masken (The Black Mask). After training to be a photoengraver, she found work at a photography studio and a
Stockholm newspaper. Her debut as a poet was the 1919 collection
Svarta Maskens Dårdikter (The Black Mask’s Idiot Poems). She published several volumes of poetry and humor, The second of these was filmed as the 1929 movie “Ville Andesons Äventyr” (Willy Anderson’s Adventure). She also contributed articles and poems to the humor magazine
Kasper.
Hjalmar Peterson published her texts in his songbooks. In 1972 the Swedish actor
John Harryson recorded an album of old-time
Swedish comedy with three songs by Svarta Masken:
Bröllopet i Flänga,
Lördagsvalsen and
Stora fötter. ==Selected lyrics==