Isabella Sommer

In the noble district of Hietzing, at least according to its name, a coffee house today reminds of a once famous establishment: in “Dommayers Casino” the great composers played in the 19th century – but above all, Johann Strauss junior made his debut as a conductor there at the age of not quite 19, celebrated by the whole of Vienna, and from then on rivaled his famous father. (Full text on ORF Topos)

https://topos.orf.at/straussmania-dommayer100