It’s coming! Beta testing revealed that new users can use a hand getting started. There’s going to be a wizard to help new users create sequences.
I was going to post a screen shot of the flow, but that’ not very exciting, so instead here’s a screenshot of the latest version. The icons to the left of each clip indicate the type of trigger that causes that particular clip to play. Rulers represent distance, while the clocks represent time. For example, the first power 10 is triggered based on some time from the end of the row. The chain indicates a simple trigger that plays the clip immediately after the clip before it finishes.