No editing. Imports don't display.
-Display swell start/stop volumes (can be hidden during playback).

Test file -
https://onedrive.live.com/redir?resid=BF1A7BA5AAA1B4E4!150&authkey=!AAOADj63_NhYSuo&ithint=file%2cptb