You can edit or delete the playlist by clicking the playlist to go the detail list screen.
1. Tap 'Edit' on the upper right to change to edit mode.
- Change the cover image: Tap the upper left cover image to change.
- Rename playlist: Tap the text next to the cover picture to change.
- Change order of playlist: Drag next to each list.
- Delete Song: Tap Red icon next to each list to display the Delete button and Tap Delete.
2. After you edit, tap Finish and it will eventually change.
Tap 3 dots icon in the middle and tap 'Delete Playlist'.
Don't worry! Only the playlist will be deleted and the music files will not be deleted.