What 2005 release of a collaborator with an original member of Timbiriche went gold in both Argentina and Mexico?
Coti: Roberto Fidel Ernesto Sorokin Esparza, who performs under the stage name Coti, is an Argentine singer-songwriter, best known for collaborations with other Spanish-language artists like Andrés Calamaro (Arg), Julieta Venegas (Mex), Paulina Rubio (Mex) and Luis Miguel in his last album. Coti:  His 2005 release, "Esta Mañana y Otros Cuentos" went gold in both Argentina and Mexico, while going double platinum in Spain.
i don't know