Yes that's fantastic. I love a good vocal production. Reminds me of a "today's" YES. Listen to "Leave It" by YES. Definitely some influence. In today's music studio much is done with digital effects processing like pitch correction and shifting that makes vocals sound fat and perfect
Yes, she does. That wasn't bad. Reminds me of the movie "Pitch Perfect" that my daughters watched over and over and over again until they could do all that songs and dances. Heck, by the time they wore themselves out, I could do them, too.