INTERVIEW - Alan Shapiro and Mark Bracco - Billboard Music Awards 2014 - Rehearsals Day 1

The video highlights several first-time performances, including collaborations between Iggy Azalea and Ariana Grande, and Pitbull with Jennifer Lopez. It also features new duets by Carrie Underwood and Miranda Lambert, a unique act by Miley Cyrus, and the TV debut of Katy Perry's 'Birthday'. Robin Thicke presents an emotional new song. The video concludes with a groundbreaking Michael Jackson experience using advanced technology, showcasing a new track recorded before his passing.

What new insight or understanding did you gain from this video?