Conversation so far:
How many people were in the band when it started?
The executives of Televisa had the idea of forming a children's musical group with the six children.
Who was the leader of the band Timbiriche?
Timbiriche made its official debut on 30 April 1982 on the Mexican television show Siempre en Domingo, featuring Spanish singer Miguel Bosé as its godfather.
What is the most iconic act in the group Timbiriche?
The group launches their first record production titled Timbiriche, which included the hit singles Amor para tí, Hoy tengo que decirte Papá, Y la fiesta comenzó and Somos amigos.

Question: For how long was the group successful?
Self-contained rewrite: For how long was the group Timbiriche successful?