Learning software is very much like learning an instrument. You don’t jump in and play a concerto to start off with!
Now might be a very good time to take a short video, maybe 30 seconds long, and then practice putting it into the computer chopping it up, editing it, trimming the beginning and ends, practice making transitions, Color correction, all that sort of stuff…
Your computer will work much faster on a very short clip, and you can familiarize yourself with the different options without the pressure of it being on something that you want to release eventually, at full length…
Scales and arpeggios first, full pieces second! Walk before you try to run…!
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An arranger is just a tool. What matters is what you build with it..!