Hello, Just an FYI. I stumbled across a tiny typo and (an already posted) audio error in session 21. The audio definitely sounds like "ein Wein" in the transcription section. I understand grammatically that this must be "einen", but IMHO if the exercise is to learn to transcribe what we hear, both answers should be allowed.
Second issue: in the second matching section of the session there is a sentence "Wir möchte zweiundzwanzig Brote", this should be "Wir möchten zweiundzwanzig Brote."
Not a big deal, just thought I'd let you all know. Tschüss