In a new interviewer with Rock History Music, Luke says he has a new vocal coach, Dave Stroud. His list of clients include Pineda and many other. He also said Joseph coached and produced his Bridges vocals. I am still awaiting my hard copy from the mailman, but have listened to the digital. I think Luke is singing his ass off. Just a great impassioned performance. Prolly my favorite SL solo record since Ever Changing Times (which was also TOTOish). My only wish is it was slightly longer!
https://youtu.be/WiDwtPRN0AI