You can edit the songwriters on Musixmatch through the review menu. Open the icon with review and here you get the edit option. Click on it and edit your songwriters and then post it again. The steps to edit the songwriters are given below.
- Pen the song or open the music tab where all songs are present.
- Tap on three dots to open the menu.
- Tap on edit song info.
- Now enter the information manually or click on fetch song for automation.
- Hit on the checkmark button present on the top right to save the changes.