I don't know if anyone noticed, but the video on Lesson 3 is the same as the one in Lesson 2.
I did not see anything about cutting, copying, pasting, moving audio clips, adjusting volume and panning, and using effects.
I used YouTube to learn it. I can copy and paste a sound on Soundtrap as many times as I need. It is also easy to use the cut feature if I want to get rid of something. I can move the audio clips and stretch as much as I'd like while adjusting the volume to what I think sounds good.