The mp3 file is 90 minutes, while the daily instructions say 20 minutes. For 20 minutes of use, what part of the file do you listen to, the first 20 minutes, or the last 20 minutes that has audio changes during the last 10 minutes?
The mp3 file is 90 minutes, while the daily instructions say 20 minutes. For 20 minutes of use, what part of the file do you listen to, the first 20 minutes, or the last 20 minutes that has audio changes during the last 10 minutes?
I normally listen to the first 20 mins
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