He began singing traditional German lieder and Italian arias. She continued to perform in oratorios and to give lieder recitals. She was an attractive tenor who sang lieder, chanson and opera and operetta. Franz Schubert wrote five variation sets using his own lieder as themes. Wainwright is an opera enthusiast and likes Franz Schubert's "lieder". Strauss was a prolific composer of lieder. After her marriage, she turned to lieder and choral works. Note however that some of Schubert's song cycles contain both Lieder and part songs. He composed many songs such as "Sechs Lieder", Op. Richard Strauss set six poems by Brentano in "Sechs Lieder", Op. He took inspiration from recordings of the German Lieder singer Hans Hotter. Cheng is a pianist who specialises in lieder and art song. Heine's "Buch der Lieder" followed in 1827. She also made recordings of German lieder for NBC. He also made recordings of the complete piano works "Lieder" by Arnold Schoenberg.