first: nobody is dumb, because they ask questions :) Your piano-roll picture You have placed the loopmarkers correctly, but you have not activated looping Click on the >< button (second speedbutton from the right) It will light up in green, and so will both loop-markes, indicating that you have enab...

must be a fault in your linux install, that exclude me as fixer :/ - I hope a linux wizard chimes in- If not we will have to provoke one to do so :)

is this every vst, or one specific?

Dont know if this is your answer, but if any instrument gets really low, it is often because the midi-velocity has been changed Go to the midi-tab, and reset custom-base-velocity to default value: 63 If you make an instrument-preset, and it is sounding 'nice', but just have too low volume, you may l...

serious sweaty buildup @1:26 <3 . i also like the way you work melodically with the growl bass, the whole jazzy fusion feel is quite different from most dubstep track, but it works. +1

properly best if you upload the project in question. It's not a specific project. I get the clicks inbetween notes when I play a few notes after each other (in tripleoscillator). try to work a little with the ENV settings. If you do not understand the wiki https://lmms.io/wiki/index.php?title=Instr...

properly best if you upload the project in question.

sample-track is alas, the least functional feature in lmms. work is being done.
I recommend you use audacity for all long samples

The most important of what you ask for lmms already have, and the other one is coming -well .. Not simple buttons in a piano-layout.. that would be silly, but indeed a beginner mode, with all keys marked But for key&scale Scale tool: In piano-roll select: https://lmms.io/wiki/images/thumb/3/3a/P...

english version,
https://support.google.com/youtube/answer/1696878?hl=en
but that has nothing to do with the visualization :)
well nwm, i am currently building my own visualizer