What's WMA joiner :
If you have two parts of a music in WMA format and you'd like to join them together, use Audio-joining software to format and combine your files. Audio joiners combine as many audio clips as you like. They convert the combined audio to a number of formats, including MP3, WMA,etc. Create audio for your cell phone by joining two separate WMA files into one file, or share your audio on the Internet.
Best way to join/merge WMA file :
GiliSoft Video Editor — join/merge WMA file.
1) Launch GiliSoft Video Editor
Once installed GiliSoft Video Editor, Launch GiliSoft Video Editor.
2) Click 'Joiner' to start 'GiliSoft Video/Audio Joiner'
3) Load File
Click 'Add File(s)' button, Select "WMA - Windows Media Audio" in its "Files of type" combo box.
Add your source WMA files, GiliSoft Video Editor will preview your WMA files directly.
5) Click 'Start' button to start to join your WMA file.
GiliSoft Video Editor is an easy-to-use tool to join multiple WMA files into one larger WMA file or other format audio file.