 Alkan had few followers ; however , he had important admirers , including Liszt , Anton Rubinstein , Franck , and , in the early twentieth century , Busoni , Petri and Sorabji . Rubinstein dedicated his fifth piano concerto to him , and Franck dedicated to Alkan his Grand <unk> <unk> op . 17 for organ . Busoni ranked Alkan with Liszt , Chopin , Schumann and <unk> as one of the five greatest composers for the piano since Beethoven . <unk> Philipp and Delaborde edited new <unk> of his works in the early 1900s . In the first half of the twentieth century , when Alkan 's name was still obscure , Busoni and Petri included his works in their performances . Sorabji published an article on Alkan in his 1932 book Around Music ; he promoted Alkan 's music in his reviews and criticism , and his Sixth Symphony for Piano ( <unk> <unk> ) ( 1975 – 76 ) , includes a section entitled Quasi Alkan . The English composer and writer Bernard van <unk> praised Alkan in an essay in his 1935 book , Down Among the Dead Men , and the composer Humphrey Searle also called for a revival of his music in a 1937 essay . 
