12th WORLD CHOIR FESTIVAL ON MUSICAL & COMPETITION 5th- 7th May, 2023 THESSALONIKI, GREECE Organization : “KORAIS” Choir   We have the pleasure to invite you in a Festival of Joy that is going to take place on May 2023, in the north of Greece, in the city of Thessaloniki. The Festival is addressed to all types of choirs and vocal ensembles from all over the world. The Festival has a Competitive and Non-Competitive part. Choirs that excel in the…