Kolyo_mamin_kolyo_zulieta_svetlanova_rosica_deleva -

You can find more performances by Rosica Deleva on the official Formation "Zvezdi" YouTube channel . Oti xolan momche - song and lyrics by Petar Yanev - Spotify

The text you provided appears to be a list of Bulgarian names and a folk song title, likely for a or a collaborative music project . The main components are: kolyo_mamin_kolyo_zulieta_svetlanova_rosica_deleva

Likely a folk singer or musician.