Anne - Sophie Mutter(Germany, 1997)
New York Philharmonic(USA, 2002)
Placido Domingo(Spain, 1990)
Academy of St Martin-in-the-Fields / Sir Neville Marriner(UK)
Vienna Boys' Choir(Austria,1991 -2008)
Wynton Marsalis(USA, 1990,2001)
Stephane Grappelli (France, 1994, 1997)
Klazz Brothers (Cuba/Germany, 2006)
Lucerne Symphony Orchestra (Switzerland, 2015)
Tommy Emmanuel (Australia, 2006-2016)
Swingle Singers (UK, 1996-2004)
Mstislav Rostropovich (Russia, 1993)