The Playlists list window shows the number of tracks in each playlist in the list. The currently-playing-track display shows the current track number in the now-playing and the number of tracks in the current playing list. These are the only places the number of tracks there are, are shown.

Please make this available in the Now Playing type displays as well. Including the actual Now Playing list, and in all similar windows, such as when browsing the all-Tracks, Albums (show number of albums), etc.