- Argyriou Jenny, Choreographer
- Argyris K.
- Argyris Spyros, Conductor
- Argyropoulou Anastassia, Dancer
- Argyropoulou Georgia, Soloist, Soprano
- Arie Raffaele, Soloist, Bass
- Arkas Christos, Dancer
- Arlaud Philippe, Director, Set Designer, Lighting Designer, Producer
- Aronica Roberto, Soloist, Tenor
- Arseni Anastasia, Set Designer. Costume Designer
- Arvaniti Elli, Soloist, Mezzo-Soprano
- Arvanitis Nikos, Actor
- Aryvas (Attikos) Dion, Soloist, Baritone
- Asagaroff Grisha, Director
- Asimakopoulos Vassilis, Soloist, Bass
- Assimacopoulou Christine, Soloist, Soprano
- Assariotis Yorgos, GNO Chorus Member, Bass
- Asteris Yannis, Librettist
- Astrinidis Nikos, Pianist, Composer, Conductor
- Ayan Atalla, Soloist, Tenor
- Ataneli Lado, Soloist, Baritone
- Athanasiou Irena, GNO Chorus Member, Mezzo-soprano
- Athanassopoulos Panagiotis, Soloist, Baritone
- Athanassiou Vicky, GNO Chorus Member, Soprano
- Athanassopoulou Elissavet, GNO Chorus Member, Soprano
- Choir Athens
- Athens Conservatory Symphony Orchestra
- Athinaeos Nikos, Conductor, Composer
- Atlantov Vladimir, Solοist, Tenor
- Attilii Luca, Video designer
- Auguin Philippe, Conductor
- Augustini Mauro, Soloist, Baritone
- Ausensi Manuel, Soloist, Baritone
- Ausman Celeste, Soloist, Soprano
- Avdis Apostolos, Actor
- Avloniti Amalia, GNO Chorus Member, Mezzo-Soprano
- Aydan Alnar Ayhan, Soloist, Soprano
- Aylakowa Nelly, Soloist, Soprano
- Aymonino Silvia, Costume Designer
- Azizov Elchin, Soloist, Baritone
- Bačanović Milivoj, Soloist, Baritone
- Bacchi Cristiano, Set Designer
- Badea Alexandru, Soloist, Tenor
- Bafunno Marialuisa, Director
- Bahauer Gina, Pianist
- Baird Janice, Soloist, Soprano
- Baka Theodora, Soloist, Mezzo-Soprano
- Bakali Olga, Soloist, Soprano
- Bakočević Radmilla, Soloist, Soprano
- Balabanova Inga, Soloist, Soprano
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