Is it possible to:

1. Adjust the tempo of the song while it's playing? For instance, if I wanted the song to start off at a slow tempo, but get faster partway through, how would I do this?

2. Cut off a sequence partway. For example, one of my favorite songs has a 7/8 time signature for most of it, but has 4/4 bars spread throughout it. Is there a way to replicate that in Patatracker?

Thanks very much! This is such a neat program.