To select a track, select any clip within the track.
To add a track to a character, group, or subcharacter
A black line appears above or below the selected clip’s track. This line indicates that Maya will insert a single track above or below the selected clip’s track when you release the mouse button.
These options insert a track above or below the selected clip’s track.
To remove a track from a character, group, or subcharacter
The track you clicked on and all its clips are deleted from its character, group, or subcharacter.
To remove all the empty tracks from a character
All the empty tracks are deleted from the highlighted character.
To remove all the empty tracks from all the characters in Trax
All the empty tracks are deleted from all the characters in Trax.