Usher, Justin Bieber, Chris Brown and Pitbull were announced among the performers on the "Today" show summer concert series 2012.

The free concerts will open with a performance by Usher on May 18 at the Rockefeller Plaza in New York City.

Justin Bieber is scheduled to perform on June 15 and Chris Brown on June 8.

The 2012 series also features rock bands Maroon 5 and Train, as well as newcomers Hot Chelle Rae in their first morning show concert.

Crowd-pleasers Pitbull and Flo Rida will join the line-up, as well as country stars Kenny Chesney, The Band Perry and The Zac Brown Band.

The concerts will also be featured online through Pandora radio stations NBC Today Rock, NBC Country and NBC Today Pop, the network said in a press release.

Check all the Performers and Dates below:

MAY
18 Usher
25 Pitbull
31 American Idol winner and runner up (special Thursday concert)
JUNE
1 The Band Perry
8 Chris Brown
15 Justin Bieber
22 Kenny Chesney
29 Maroon 5
JULY
6 Flo Rida
13 Zac Brown Band
20 Hot Chelle Rae
27 “Today” at the Olympics
AUGUST
3 “Today” at the Olympics
10 “Today” at the Olympics
17 TBD
24 Train
31 Jason Mraz with special guest Christina Perri
Additional performances may be announced throughout the season.

Tags: Justin Bieber