You can add individual tracks, entire directories recursively, or existing playlists using "Add Files". A file selection dialogue will appear. By default existing tracks (same full filename) will be skipped.
You can add directories recursively using "Add Dirs". A directory selection dialogue will appear.
You can add existing playlists using "Add Playlists"
You can delete tracks by marking them and pressing the "Ctrl-d" . If you delete tracks from the master playlist (the topmost playlist, called "gtkpod" by default). You can also delete tracks by selecting them, and using "Delete Track" in the Edit menu or from the context menu.
You can update ID3 tags of selected tracks in gtkpod from the mp3 file by pressing "Ctrl-u" or choose "Update track info from file" in the Edit menu or from the context menu.
You can rename ID3 tags by editing the fields in gtkpod. You can change an entire group of ID3 tags by editing an entry in the sort tab (or mark several tracks and edit the first).
You can specify which tags to display in the preferences window.
You can specify (in the prefs window) if the ID3 tags of the corresponding mp3 file(s) should also be updated.
Can add music and video files invidually using Add Files.
Can add directories of music and video file using Add Directories.
The files are imported into the selected repository. If the selected repository is an iPod then the files will be copied directly onto it.
See Supported File Types for types of files that can be imported.
Note: gtkpod is an iPod management tool. Tracks, videos and photographs already need to be on the computer filesystem before they can be imported. If adding a CD is the requirement then it needs to be ripped first. Have a look at: