An anvil symbolizes the robustness of one company’s safes in a piece by a composer with this surname titled “Fireproof!” A group of brothers with this surname that included Eduard collaborated on pieces nicknamed “Trefoil” and “Sharpshooter.” A composer with this surname used his operetta The Queen's Lace Handkerchief as the source of his Roses from the South. In a piece by (15[1])a composer with this surname, cellos and horns play the slow rising melody (*) “D, D, F-sharp, A, long A.” A short piece by a composer with this surname was dedicated to a field marshal and is included in encores at one city's New Years’ Concerts. The “Radetzky March” is by a composer with this surname, another of whom wrote the D-major polka "Tritsch-Tratsch." For 10 points, give this surname of Viennese composers, including the “waltz king” who wrote “The Blue Danube.” ■END■