I’m not able to extract text from that URL because it points to an MP3 audio file, not an HTML article page with readable text.
An MP3 contains audio data (speech, music, etc.), not embedded written article content that can be scraped as text in markdown. To produce what you’re asking for (title as H1 and core article text), I would need either:
If you can share a page that hosts the article text (for example, a news story on radiopik.pl rather than the raw audio file), or paste the transcript here, I can then output pure markdown with the title as # Title and the full, unaltered article text.
Czytaj cały artykuł u źródła — Polskie Radio PiK (Pomorza i Kujaw)