Wavepad Audio Editor is powerful tools for edit music. You can easily crop combine trim convert mp3 with one touch.
You can using this app for making ringtones edit song and mix songs for creators.
Features:
• Mp3 Cutter: Crop mp3 cut audio trim song for ringtones alarms notification
• Mp3 merger: Combine 2 or many mp3 songs into one
• Sound booster: Booster volume change volume level
• Mp3 Converter: Change one music format to another such as: AAC to MP3 M4A to MP3 MP3 to WAV and so on.

With Wavepad Audio Editor you can do all of the above and it's completely free It's an excellent Audio Editor.

Download this Music Audio Editor app to experience best Mp3 Editing features.