The finale of the 1993 french film 'Bleu' directed by Krzysztof Kieslowski.
The music is the 'Song for the Unification of Europe' from the film's soundtrack, composed by Zbigniew Preisner and sung in Greek. It's an abridged version of 1 Corinthians:13 ("Hymn to Love").
Sinfonia Varsovia, conducted by Wojciech Michniewski
Elzbieta Towarnicka, soprano
The Silesia Philharmonic Choir.
Le Mystere Des Voix Bulgares - Polegnala e Todora