Track Concatenator

Tool to join together (merge) tracks from iTunes, chapterize them, and add them to your iTunes music library. Currently only joins together MP4/AAC files (losslessly).

Program takes currently selected tracks from iTunes.

Once you've set the tags, press "Concatenate" to join them. The joined track is automatically added to iTunes.

Requirements:

FFMPEG and MP4v2 required. If you don't have them installed, Track Concatenator will give you the option to install them via Homebrew.