If you are referring to a different "friendship song," there are several other possibilities:
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.
The phrase "" likely refers to a "friendship song" (translated from Bulgarian "приятелство" - priyatelstvo - friendship, and "песен" - pesen - song). While many songs focus on this theme, the most prominent musical project sharing this specific title is the 2003 jazz album Priyatelstvo by the Mario Stantchev Sextet . Review of Mario Stantchev Sextet's Priyatelstvo
The album is noted for its blending of post-bop sensibilities with the irregular "crooked" meters characteristic of Bulgarian folk music. Standout Tracks: