BG text-Yoanna Papazova, music-Evgeni Mirev, Arrange-Evgeni Mirev, Choir-master Evgeni Mirev,Chorus master Rosica Yordanova,
http://www.dir.bg - Каталог - Музика - Изпълнители - Вокална формация "Щастливеца" (Vocal chamber formation "SHTASTLIVECA")- http://shtastliveca.hit.bg/ and

http://www.youtube.com/user/canik1102

http://bbs.keyhole.com/ubb/showflat.php/Cat/0/Number/1248256/Main/1248256

http://www.sibir.bg/index.php?page=videoGallery&aid=75337