1. To edit and produce music, we need to find related software, such as Cool Edit, Cubase sx, audacity, etc.

2. Then choose the production and editing software that suits you, such as audacity.

3. Open a music file through the file, and you can use the tools inside to edit the audio track. You can add special effects, crop and splice, etc.

4. After editing is completed, you can use "File" - "Export Audio", then select the export type mp3, fill in the name music.mp3, save and export step by step.

5. If it is a pure synthesis, you can also use lmms. This software is very good.