Fr. Freddie Chua

Concino Children's Choir

The Kid Connection

Jacqueline Mayeur

String Orchestra St. Gallen

Schola Vocales Basilienses

Benzion Miller

Chór Akademii Teologii Katolickiej

Maverick City Music

Philippopolis Choir

Hristo Arabadjiev

Diman Pantchev

Lawrence Welk And His Orchestra

Konstantin Schwedow

Slavyanka Men's Russian Chorus

Aleksei Shipovalnikov

Halina Frąckowiak

Polish pop and rock singer

Włodzimierz Korcz

Polish Composer and Pianist

Karen Lafferty

Christian Folk Singer-Songwriter

Antoine Oomen

Dutch Composer and Pianist

Corul Madrigal

Romanian Chamber Choir

Marin Constantin

Romanian Choral Conductor and Composer

Choir Of The Moscow Church "Joy To All Sorrows"

Russian Liturgical Choral Ensemble

Ensemble Vocal D'Avignon

French Choral Ensemble from Avignon

Georges Durand

Ismael Fernández De La Cuesta

Spanish Musicologist and Gregorian Chant Expert

Paul Claudel

French poet and playwright

Laurent Terzieff

French Stage and Film Actor

Guy Bezançon

Blanka Kulínská

Chor Der Patriarchatsmission Peredelkino

Sergey Krivobokov

Marc Boegner

Sina Vodjani

World Fusion Composer and Artist

Ludwig Doerr

Monastère Bénédictin Chevetogne

Psalmody

The Mizmor Shir Orchestra And Singers

Billy Graham

Kinderchor Der Bayerischen Staatsoper