If you are referring to a different "friendship song," there are several other possibilities:
The term appears in historical and literary contexts, such as the collection of essays Istoriyata i knigite kato priyatelstvo (History and Books as Friendship), which explores Bulgarian cultural identity. MARIO STANTCHEV discography (top albums) and reviews priyatelstvo_pesen
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 If you are referring to a different "friendship
The album is noted for its blending of post-bop sensibilities with the irregular "crooked" meters characteristic of Bulgarian folk music. Standout Tracks: Review of Mario Stantchev Sextet's Priyatelstvo The album