From 1994 until 2004 she appeared in the USA, Canada and throughout Europe in duo with classical guitarist Scott Kritzer, including highlight performances at the Kennedy Center in Washington D.C. and the Festhalle Frankfurt, Germany.

In 2003, Chvatal was a special guest with Gino Vannelli and his orchestra at the Montreal International Jazz Festival and appeared on his CD Canto which was featured on CBC in Canada.

In 2005, for the world-premiere of the musical Ludwig2, written by Rolf Rettburg, and composed by Christopher Franke, Nic Raine and Konstantin Wecker, Chvatal created the leading role of the historical empress of Austria, known as Sissi.

2005 – Chvatal began a campaign through southern Germany to raise her audiences' awareness of the need to support charity organizations with a series of concerts and appearances in hospitals around the region.

Der Schwanenprinz – Lebe deinen Traum [de], a "Musical Adventure Journey" was first performed on 30 July 2016 on board the MS Fuessen, directly in front of the Castle Neuschwanstein on the Forggensee in Bavaria, Germany.

To accompany the release of the 2nd edition Chvatal began a nationwide project to support families with school children grades 1 - 4, in a five-step daily activity program to reach their goals.

[21] 2021 - Chvatal wrote, directed and produced an English version of her musical Der Schwanenprinz called The Dream King for the Festspielhaus Neuschwanstein Theater in Bavaria, Germany.