mp3wrap

Wrap multiple MP3 files into a single large file

brewmacoslinux

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Wrap two or more mp3 files in a single large file

mp3wrap

Combine two MP3 files into one$ mp3wrap output.mp3 song1.mp3 song2.mp3

Wrap multiple MP3 files with custom output name$ mp3wrap combined.mp3 track1.mp3 track2.mp3 track3.mp3

Wrap all MP3 files in current directory$ mp3wrap merged.mp3 *.mp3