Latest News MediaProSoft Free MP3 Joiner is a delicate program developed in the purposes of joining 2 or more audio files, like MP3 . WMA, WAV, AAC, etc. You can use it to combine separate audiobooks for playback without stop or pause between chapters. Author: MediaProSoft Date: 08 August, 2014 OS Support: Windows. WinXP. Windows 2000. Windows 2003. Windows Vista operation audio joiner linked here Joining songs online free