[1] She was one of the children portrayed in the 2010 documentary 7 oder Warum ich auf der Welt bin (7 or Why I am on Earth) by Antje Starost [de] and Hans Helmut Grotjahn.
[3] Vassileva became interested in percussion when she heard drummers on a beach in Bulgaria who played in a circle for hours when she was age eight.
She received several scholarships and studied percussion at the Hochschule für Musik und Theater München, with Peter Sadlo [de][1] from age 16[4] until his death in 2016.
In 2016 she played as a soloist with the Bayerisches Landesjugendorchester [de] on a tour including the Joseph-Keilberth-Saal in Bamberg and the Gasteig in Munich.
In 2018 she played at the LvivMozArt Festival in Ukraine, Tan Dun's The Tears of Nature conducted by Oksana Lyniv.
She appeared at the Rheingau Musik Festival, the Hohenloher Kultursommer and the Festspiele Europäische Wochen Passau [de].