[OESY]

Humyo has my vote over Acnielsen. That said, I should know the music, a haunting melody--appropriate for a palace associated with two world wars. Do you know the name of the song?

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[Cardhu]

The answer to your question is:

Carl Orff´s - Carmina Burana - O Fortuna

This is what I read in Wikapedia:

Carmina Burana is a scenic cantata composed by Carl Orff between 1935 and 1936. It is based on 24 of the poems found in the medieval collection Carmina Burana. Its full Latin title is Carmina Burana: Cantiones profanae cantoribus et choris cantandae comitantibus instrumentis atque imaginibus magicis ("Songs of Beuern: Secular songs for singers and choruses to be sung together with instruments and magic images.") Carmina Burana is part of Trionfi, the musical triptych that also includes the cantata Catulli Carmina and Trionfo di Afrodite. The best-known movement is "O Fortuna" that opens and closes the piece.