Complex sentence: Usher announced some of the producers involved on "Looking 4 Myself" on March 30,2012 to be Diplo, Rico Love, Jim Jonsin, Salaam Remi and Max Martin.
Split into simpler sentences: Usher announced some of the producers involved on "Looking 4 Myself" on March 30,2012. This included Diplo, Rico Love, Jim Jonsin, Salaam Remi and Max Martin.