The arena that hosted the 2017 "Billboard" Music Awards opened  on what date?
2017 Billboard Music Awards The 2017 "Billboard" Music Awards was held at the T-Mobile Arena in Las Vegas on May 21, 2017. The list of nominees was announced on April 10, 2017. Non-televised awards were announced on "Billboard" website the same day as the main ceremony.
Walt Disney Concert Hall The Walt Disney Concert Hall at 111 South Grand Avenue in Downtown of Los Angeles, California, is the fourth hall of the Los Angeles Music Center and was designed by Frank Gehry. It opened on October 24, 2003. Bounded by Hope Street, Grand Avenue, and 1st and 2nd Streets, it seats 2,265 people and serves, among other purposes, as the home of the Los Angeles Philharmonic orchestra and the Los Angeles Master Chorale. The hall is a compromise between an arena seating configuration, like the Berliner Philharmonie by Hans Sharon, and a classical shoebox design like the Vienna Musikverein or the Boston Symphony Hall.