MuchMusic will air One Night One Star - Usher Live Saturday, March 5 at 9 p.m. (EST), the network said.
The rhythm-and-blues artist will perform hits from March 2004 multiplatinum album Confessions live at the Coliseo de Puerto Rico in San Juan.
The network also announced three original specials for March.
Egos & Icons: 50 Cent, to air Thursday, March 17 at 9 p.m., will feature MuchMusic VJ Matte Babel getting exclusive commentary from the hip-hop artist about his career.
Russell Simmons Presents: Hip Hop Justice, airing Thursday, March 24 at 9 p.m., features investigative reports into some of hip-hop's most famous legal battles.
And Stars on the Edge, airing Saturday, March 26 at 9 p.m., offers VJ Rick Campanelli exposing Hollywood's most notorious scandal-prone celebrities.