 Uranga formed Mocedades in 1969 with eight members.After numerous group changes, Uranga together with her sister Izaskun, her brother Roberto, and three other male members became the so-called "historic six" members of Mocedades who came second in the 1973 Eurovision Song Contest with the song "Eres Tú", and the band subsequently launched a hugely successful music career in Spain and Latin America.She was lead singer on many of Mocedades' most successful songs, such as the international smash hit "Eres Tú" and "Tómame o Déjame."