As with its twin show Bailando por un sueño (Dancing for a Dream), celebrities are paired with common, everyday people.
However, in Cantando por un Sueño, contestants have to sing, rather than dance to impress the panel of judges and win.
Mexican singer Thalía is the "godmother" of this contest, and she sings the title song of the show too.
Substitutes: Sheyla(actress/humorist) Cipriano Hernández Dulce Tumor surgery for Cipriano's wife WINNer Kika Edgar(actress) Raúl Juárez José José Help his sister Rosario Runners-up Ernesto D'Alesio(actor) Ruth Vazquez María del Sol To help her best friend cure a fatal illness she currently had.
3rd Place Manuel Landeta(actor) Mónica Chávez Amanda Miguel Because Mónica had MS, she wanted to make sure her 4-year-old son would not be left alone in this world and got a chance to finish a career and to have a place to live when she died.