Lady Gaga and R. Kelly to perform at Obama's speech at Selma

Music stars Lady Gaga and R. Kelly are scheduled to perform at President Obama's speech to commemorate the anniversary of the Selma march which is honoured annually by the Bridge Crossing Jubilee.
They will be performing after Obama's speech which will happen on Saturday, March 7, 2015.
Other artistes scheduled to perform include T.I, Bono, Ruben Studdard, We are Toonz, Bigg Robb, the Impressions, Young Breezy and Toia Jones from The Voice.