Kornelia has been invited to participate in a number of prestigious competitions and festivals:

1998	August	Ravinia Festival Concerts – Chicago Working with Christoph Eschenbach, Peter Schreier, Thomas Allen, Margo Garrett and Rudolph Piernay
1997	July	Pacific Music Festival – Sapporo, Japan Working with Christoph Eschenbach and Martin Isepp
	June	BBC Cardiff Singer of the World (Cardiff, UK)
	May	Placido Domingo Competition (Tokyo, Japan)
	April	Tagliavini Singing Competition, Deutschlandsberg Austria
1996	March	Simándy Singing Competition, Hungary II. Award