Using Merge MP3 To Merge Multiple Sound Files Into One Sound File The Merge MP3 is pretty interesting software with which you can merge numerous audio files into one soundtrack. For example, the ripped CD tracks merged into one file. You can also mix multiple sections of sound book. Merge MP3 software is a free application to download and use. You can drag and drop several … [Read more...] about Using Merge MP3 To Merge Multiple Sound Files Into One Sound File