If you Google the keyword exactly——you will see sites like:
: Users often share study materials on platforms like VK , where complete collections for the Tangram series can sometimes be found in community posts. Tangram Aktuell 1 Lektion 1-4 Audio Download Free Extra
: Official sites like Hueber provide free "Hörproben" (audio samples) to preview lesson content. If you Google the keyword exactly——you will see
It sounds like you're looking for the audio files to go along with your Tangram Aktuell 1 (Lektion 1–4) Since this is copyrighted educational material from Hueber Verlag Tangram Aktuell 1 Lektion 1-4 Audio Download Free Extra
Would you like a direct link to Hueber’s official sample audio page for Tangram Aktuell 1 ?