During the repeats of the choruses, although it's a bit obscured, there is a 5th octave harmony. "I want it all( f#5), I want it all(g5), I want it all(a5), and I want it now(f#5)". Is it Roger or someone else? The time period has me unsure
I will add based on the clips so far, Tyler Warren is really adding to the live harmonies on tour as he can hit all the other high stuff bang on - sounds great!
I'm referring to the studio version. It seems possible to me as he seems to hit an e5 during the last harmony as its clearly him at the end of that particular part. Tyler Warren is great at what he does. He really helped I'm in love with my car