Città di Zurigo Choir Monte Colmenacco Choir Charlie’s Gospel Angels Liturgical choir “Laudate et Benedicite” Polyphonic Choir “San Francesco d’Assisi” Polyphonic Choir Amici della Musica Valle Santa Choir Cristina Antonini Šiaulių Juliaus Janonio Gimnazija – Viva Melodica Symphonia Choir
