Sheet Music Covers Hop-step-close-step July 25, 2014 ImagesMusicales Leave a comment Happy polka: “In delirio”, polka by Camillo Renzetti (1908), illustrator unknown And sad polka… “Polka”, composed by E. Le Bourdais du Rocher. Lithography by Marie-Alexandre Alophe (1812-1883) Print Friendly