What was Ignaz von Seyfried and Franz von Suppé's nationality?
Ignaz von Seyfried: Ignaz Joseph Ritter von Seyfried (15 August 1776 – 27 August 1841) was an Austrian musician, conductor and composer. Franz von Suppé: Franz von Suppé or Francesco Suppé Demelli (18 April 181921 May 1895) was an Austrian composer of light operas and other theatre music.
Austrian