International Choir Festival Petko Staynov Sofia 2023
International Choir Festival Petko Staynov Sofia 2021
New arrangments of works by Petko Staynov
International Choir Festival Acad. Petko Staynov
39th International May Choir Competition Varna 2018
National Music Festival Petko Staynov

"Petko Gruev Staynov" Foundation
Museum of History - Kazanlak