-Ctrl-B: My expected behavior is that this would work IF highlighted. Also, that if you select a group of notes, that it would be copied to the next part of the pattern. That's kinda backwards to me.
-Select Tool: Ctrl works best for me here. Having to hit an extra button and then hit other button to go back seems really behind. Btw, using ctrl/right click/shift to copy/drag is more in line with how I'd expect a behavior. Glad we have options.
-Alt-X: Have I explained just how much I hate these pop up windows that take focus away yet?
Speaking of a couple of things, why is there not a "smart tool" (or why haven't I found it yet if there is one