Karel Strakatý
He notably sang the role of Friar Laurence in Hector Berlioz's symphony "Roméo et Juliette" when it was performed in Prague for the first time on April 17 , 1846 . 
<triplet> Hector Berlioz <subj> Roméo et Juliette <obj> notable work <triplet> Roméo et Juliette <subj> Hector Berlioz <obj> composer