If you are referring to a different "friendship song," there are several other possibilities:
"Pesen za Priyatelstvoto" is a very common title for Bulgarian school songs about companionship. priyatelstvo_pesen
The album is noted for its blending of post-bop sensibilities with the irregular "crooked" meters characteristic of Bulgarian folk music. Standout Tracks: If you are referring to a different "friendship
Mario Stantchev, a Bulgarian-born pianist based in France, explores a sophisticated fusion of traditional Balkan rhythmic structures and contemporary jazz improvisation on this record. a Bulgarian-born pianist based in France