Oh, I know your pain. Some might remember I started a thread asking about the fundamentals of drums. Well that path led me into building a drum sequencer 
. Part of my learning process is to program something related with what Iām trying to learn (fretful happened because I wanted to understand chords and scales). So, yeah, you have the āLoad Patternsā as you already know. I want to build more presets, but itās not the priority for now. Iām focused on usability at the moment.
Indeed there is! With this button:
I recommend you take the Overall Tour on the help sidebar, which you can open by clicking here:
It goes through every feature without losing itself in details
I also really like it, and itās a lot of potential for growth. I want to expand it with silences on beats instead of whole bars, randomizers, etc. But I need to really think it through. Itās an easy feature to mess up! Iām open to suggestions 
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Btw, if you go to the settings (below the help button), you can enable the visual metronome. It might be handy for tempo training also!
PS: I just noticed an issue on the first time the metronome plays. Iām patching it now