It’s a Bach thing that I learned years ago from my composition teacher Dr. Asher Zlotnick. Dr. Zlotnick studied the Schillinger system and was a fount of knowledge. He taught at the Peabody Conservatory and Indiana State University and he has a legion of successful students all over the world. His big thing was ear training and if I get it together I’ll post some of that juicy stuff.
The intro I posted above saved my ass when I was playing with Kristin Chenoweth, at a theater in Santa Fe. The guy who owns Omaha Steaks threw a shindig and I ended up there with Andrew Lippa, Bill Ellison and Dave Ratachek to play a bunch of stuff like Gershwin and Bernstein and the other guys who wrote Irish drinking songs.
She asked me to play an intro to “Then there was you” and I pulled this out of my bag of trick (this is it) and she looked at me with steam and whispered to Lippa, “I’ll never do a gig without him on guitar.” I was fired right after that date and I’ve never worked with her since. So if you want to “seal the deal” just play this intro and you’ll be back on the couch in no time.