So I've just spent a good chunk of time learning the basics of ID3 tags. I was able to make a basic routine to read them. The main purpose of that was to specifically look at the TLEN frame. I wanted to make a simple routine to determine MP3 times and add them up. After playing around with a few different files I realized something - ID3 tags are not a necessary part of the file, so I found some of my MP3s did not have a TLEN frame. Is there another way to determine song length of an MP3 file?
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