Foobar2000:Preferences:Default User Interface:Playlist View
Preferences: Default User Interface - Playlist View
Custom Columns
This list lets you configure custom columns, available in the Default User Interface Playlist View apart from the standard columns.
Note that standard columns are hardcoded and not user-editable. Some of their features are - such as custom graphics used by the "Playing" column - are not accessible for custom columns.
Custom Grouping Schemes
This list lets you configure custom grouping schemes, available in the Default User Interface Playlist View apart from the standard grouping schemes.