In 1979 Yuri participated in the OTI Festival , in the Mexican eliminatory , and was disqualified because the theme '' Siempre habrá un mañana '' was an alleged plagiarism of the song '' MacArthur Park '' of the American singer Donna Summer . However , the jury awarded her , by unanimous vote , the prize for the " Female revelation of the festival " , in addition to being the youngest interpreter to participate in the festival
OTI Festival
OTI Festival 1978
Yuri (Mexican singer)