Foobar2000 Playlist Viewers display the current playlist of songs. Different playlist viewers offer various capabilities such as formatting, grouping and visual options. A playlist viewer is usually the central panel and main focus of a Foobar2000 interface.

• Default Playlist
• EL Playlist
• ES Playlist
• JS Playlist
• mtpl Playlist
• SimPlaylist

Adding a custom column to a playlist view: (using play count as an example)

• When adding a column view in a playlist, you’ll need to define the column first.
• Navigate to Preferences > Display > Default User Interface > Playlist View > Custom Columns
• at the bottom of the custom columns windows, click “Add new‘
• Name the Column “Played‘ and %play_count% as the ‘pattern’
• click apply, ok
• Now right click the title bar of the playlist and select “Columns” and make sure ‘Played‘ is selected (checkmarked) and that you can see the column in the playlist, it will be last but you can rearrange it.

Resources:

Configuring the default playlist viewer