As for the 2021 update, I assume you're looking for the most recent version of the audio materials. If you're using an older edition of Linie 1 B1, it's possible that the audio content may not be compatible with the latest versions.
The Digital Evolution of German Language Learning: A Focus on Linie 1 B1 linie 1 b1 audio download 2021
Audience & Consumption Patterns 2021 consumption patterns showed streaming as the dominant mode, with downloads declining but still relevant among collectors and offline listeners. Musical theatre audiences skew older and more likely to purchase full albums, while younger listeners preferred singles and playlists. Pandemic-driven closures of theaters increased interest in recorded theatre content; archives and cast recordings became substitutes for live attendance. Social media and dedicated theatre forums amplified demand for accessible audio versions, including subtitles, liner notes, and bonus material. As for the 2021 update, I assume you're
– many libraries have the CD or digital access codes for in‑library use. Musical theatre audiences skew older and more likely