In addition to adding songs and recordings, you can also attach non-audio files to a playlist folder. Here's how:
1. Open the playlist folder by clicking on the title.
2. Either drag & drop the files onto the screen OR click the orange + button and select Upload files...
3. Once your files are done uploading, you can view them in the Files tab of the playlist.
If you'd like to includes these files in a pitch of this playlist folder, click here to learn how.