This is a topic I find interesting and I know very little about but I would think you’d have to give credit even when there aren’t any lyrics...
Go to STEAM/Omnisphere/Defaults/ and delete UserSettings.xml (I made a backup of it just in case but haven’t needed it) and start Omnisphere again.
Orange Tree make some really good kontakt instruments. They have quite a few different guitars, the stratosphere one might be what you’re looking...
Sounds to me like Steve Ronsen was inspired by Dust In The Wind
Have you tried opening Kontakt 6.1 in stand-alone first? NI recommends doing this first to make sure the new library loads properly.
Separate names with a comma.