Probka
Besides "Dziesma par laimi" and "Probka" , there has been one additional Latvian Eurovision entry which has not been performed in English: "Questa Notte" performed ( by Bonaparti . lv ) at Eurovision 2007 becoming the only non-English-language Latvian entry to-date to reach its year's Eurovision final . 
<triplet> Questa Notte <subj> Bonaparti.lv <obj> performer