The arena that hosted the 2017 "Billboard" Music Awards opened  on what date?
T-Mobile Arena T-Mobile Arena is a multi-use indoor arena on the Las Vegas Strip in Paradise, Nevada. Opened on April 6, 2016, the arena is a joint venture between MGM Resorts International and the Anschutz Entertainment Group.
List of concerts at Barclays Center The Barclays Center is an indoor arena in Brooklyn, New York City opened in September 2012. With a maximum capacity of 15,813 to 19,000 depending on the event, the arena is used for sporting events such as basketball and is the host of the NBA's Brooklyn Nets, as well as ice hockey. The Barclays Center is also more predominantly used as a music venue, hosting multiple concerts, festivals and award ceremonies since its opening. The following is a complete list of all concerts and music events that have been or will be held at the arena.