Windows only: If you are looking for ways to merge a bunch of MP3 files into one larger file, and don't like the command line solution I wrote about earlier this week, try Merge MP3. The ...

MP3 frames are independant, so combining a bunch of them into one file should be no problem. I'm not sure if having multiple ID3 tags will screw up any players.

I think you can combine them all in microsoft's sound recorder. That is, you have to rip them into .wav files, combine them, then encode the whole thing into mp3 format.

Learn how to split and merge audio & music files using Audacity on your Windows PC. Audacity is a free audio editing software for Windows 11/10.