Franz Liszt, a prolific 19th-century Hungarian composer, virtuoso pianist, conductor, music teacher, arranger, organist, philanthropist, author, nationalist and a Franciscan tertiary based his play on a work by which Lord?
Sardanapale Sardanapale (French for "Sardanapalus"), S.687, is an unfinished opera by Franz Liszt based loosely on the 1821 verse play "Sardanapalus" by Lord Byron.
Karlštejn (opera) Karlštejn (1916) is an opera by Czech composer Vítězslav Novák, a pupil of Dvořák. It was the composer's second opera and written with nationalist intentions during World War I. The plot is based on Jaroslav Vrchlický's drama of the same name. It was moderately successful and performed over 70 times in Prague.