In RoadMovie you can examine and disable/enable/delete tracks easily.
Track overview
You can examine all the tracks in a movie by navigating to the Tracks pane using the main toolbar.

This is what it might look like

As you can see this movie has 3 tracks. The first two are the most common, a Video Track and a Sound Track. The third track is a Subtitle Track previously added using Submerge or RoadMovie. There are many different kinds of tracks you can see in this view for example; Video, Sound, Text, Sprite, Tween, Hint, MPEG, Flash, QTVR, Quartz Composer or MIDI. You will get more info about each track by selecting it in the list.
Enable or Disable a Track
Just click the checkbox in the left column to enable/disable a track.
Delete Track
You can delete a track by hitting the minus button. Make sure you know what you are doing!
Track Language
You can set the track language using the popup in the tableview.
