To edit music on a mobile phone, you can use various apps available on app stores. One popular app for editing music on mobile phones is "Audacity." Here is a general guide on how to edit music using Audacity:
1. Download and install the Audacity app from your app store.
2. Open the app and import the music file you want to edit.
3. Use the editing tools provided in the app to cut, trim, merge, or apply effects to the music.
4. Once you are satisfied with the edits, save the edited music file.
5. You can then export the edited music file to your device or share it with others.
Please note that the specific steps may vary depending on the app you choose to use for editing music on your mobile phone.