Search notes:

mp3info: view technical mp3 attributes and edit ID3 tags

Determine duration of an mp3

Print duration of an mp3 (format min:sec) 
mp3info -p "%m:%s\n" Multiverse/Mutliverse.mp3
Note, the length is in integers, so fractions of seconds are not displayed.
Compare with ffmpeg.

Compiling for Cygwin

Get ftp://ftp.ibiblio.org/pub/linux/apps/sound/mp3-utils/mp3info/mp3info-0.8.5a.tgz 
apt-cyg install libncurses-devel
tar xfvz mp3info-0.8.5a.tgz
make
make install

See also

mp3 tools
The Project Homepage (apparently).

Index

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