Thanks for the suggestions guys. I will check out the tools that you mentioned. Regarding the room layout, the entry door is to the left center of the room while the window is centered on the outer wall.
When you step in, on your left a small closet will need to be framed to cover some HVAC ductwork. I was thinking about a soundproof window cover and a sound engineer friend of mine recommended an outdoor door as well.
I snapped some pics but from my phone at least they want a URL to post pics?
My laptop is charging. I’ll try to post pics later.