# Test fixtures ## `scarlet_fire_otis_mcdonald.mp3` "Scarlet Fire" by **Otis McDonald** — a royalty-free / license-free track (YouTube Audio Library; distributed via Pro-Sound.org). Used as a real-world audio fixture for the enrichment pipeline. What makes it a good fixture: its **embedded ID3 tags are junk** (`title=Sound_13958`, `artist=Music Track`, `album=Музыка`, `genre=Hip Hop & Rap`) while AcoustID identifies it with very high confidence as *Scarlet Fire / Otis McDonald*. So it exercises both: - the offline tag reader (deterministic, always runs), and - the "trust a high-confidence AcoustID match over junk tags" path (`acoustid_trust_score`), which only runs when `fpcalc` + an AcoustID API key + network are available — see `tests/test_real_file_enrichment.py`. Because it's license-free, it may also seed a built-in demo track for fresh instances.