OK, I timed it, sorted the songs as best I could, and substituted a couple of videos for ones with better sound; so I'd call it done as best I can. It runs to 5 minutes under 2 hours (with ads), which is fine, but there's room for more if needed. Here's the preview link:
https://www.youtube.com/playlist?list=PL_uEAOzPGnDH4hIN-SLKZO3dSxGelDoXi