The first Salvadorean performer in the song contest was Félix Lopez with his song "Todo será de nosotros" (Everything will be ours), which placed 10th with three points in a tie with México, Honduras and the Netherlands Antilles.

In 1975 in San Juan, Puerto Rico, one year after their debut, the Central American country finished last with zero points in a tie with Bolivia.

In Madrid in 1977 TCS achieved sixth place for El Salvador with Ana Marcela D'Antonio with her song "Enseñame a vivir" (Teach me how to live) which was acclaimed by the juries and the press.

This was the first and only time when the Salvadorean delegation reached the top ten places in the contest.

(Singing to life) (With someone else) (Come here with me) (Love still forgives) (No none else than you) (Think it twice, Martín) (Song seller) (From the start to the end) (With a tale in the pocket) (The Latin American) (Child, my beautiful child) (Teach me how to live) (You, who doesn't die in the death) (I will try to forget you) (Everything will be ours)