In 1984, Timbiriche participated in the musical "Vaselina" (Spanish adaptation of the American musical "Grease") and edit the album "Timbiriche Vaselina". At that time the group began to internationalize in Latin America with hits such as "Soy Un Desastre", "Corro, Vuelo, Me Acelero", "Teléfono" and "Me Plantó" that were consecrated as their first number one singles hits in Mexico. The singles mentioned belonged to the album "Timbiriche Rock Show" which received platinum disc for 500,000 copies sold. Also, new members join Timbiriche as Eduardo Capetillo, Thalía and Edith Márquez.