Y sólo tú
It is best known as the Spanish entry at the Eurovision Song Contest 1981 , held in Dublin . 
<triplet> Spanish entry <subj> Eurovision Song Contest 1981 <obj> participant in <subj> 1981 <obj> point in time <triplet> Eurovision Song Contest 1981 <subj> 1981 <obj> point in time <subj> Dublin <obj> location