 From 1837 , Alkan lived in the Square d 'Orléans in Paris , which was inhabited by numerous celebrities of the time including Marie Taglioni , Alexandre Dumas , George Sand , and Chopin . Chopin and Alkan were personal friends and often discussed musical topics , including a work on musical theory that Chopin proposed to write . By 1838 , at 25 years old , Alkan had reached a peak of his career . He frequently gave recitals , his more mature works had begun to be published , and he often appeared in concerts with Liszt and Chopin . On 23 April 1837 Alkan took part in Liszt 's farewell concert in Paris , together with the 14 @-@ year @-@ old César Franck and the virtuoso Johann Peter Pixis . On 3 March 1838 , at a concert at the piano @-@ maker Pape , Alkan played with Chopin , Zimmerman , and Chopin 's pupil Adolphe Gutmann in a performance of Alkan 's transcription , now lost , of two movements of Beethoven 's Seventh Symphony for two pianos , eight hands . 
 From 1837 , Alkan lived in the Square d 'Orléans in Paris , which was inhabited by numerous celebrities of the time including Marie Taglioni , Alexandre Dumas , George Sand , and Chopin . Chopin and Alkan <a href='uninflect' title='1'><mark>were</mark></a> personal friends and often discussed musical topics , including a work on musical theory <a href='null_relcl' title='2'><mark>that</mark></a>Chopin proposed to write . By 1838 , at 25 years old , Alkan <a href='been_done' title='3'><mark>had</mark></a> reached a peak of his career . He frequently gave recitals , his more mature works <a href='been_done' title='4'><mark>had</mark></a> begun to be published , and he often appeared in concerts with Liszt and Chopin . On 23 April 1837 Alkan took part in Liszt <a href='null_genetive' title='5'><mark>'s</mark></a>farewell concert in Paris , together with the 14 @-@ year @-@ old César Franck and the virtuoso Johann Peter Pixis . On 3 March 1838 , at a concert at the piano @-@ maker Pape , Alkan played with Chopin , Zimmerman , and Chopin <a href='null_genetive' title='6'><mark>'s</mark></a>pupil Adolphe Gutmann in a performance of Alkan <a href='null_genetive' title='7'><mark>'s</mark></a>transcription , now lost , of two movements of Beethoven <a href='null_genetive' title='8'><mark>'s</mark></a>Seventh Symphony for two pianos , eight hands . 
From 1837 , Alkan lived in the Square d 'Orléans in Paris , which was inhabited by numerous celebrities of the time including Marie Taglioni , Alexandre Dumas , George Sand , and Chopin . Chopin and Alkan was personal friends and often discussed musical topics , including a wrk on musical theory Chopin proposed to write . By 1838 , at 25 yrs old , Alkan done reached a peak of his career . He frequently gave recitals , his more mature works done begun to b published , and he often appeared in concerts with Liszt and Chopin . On 23 April 1837 Alkan took part in Liszt  farewell concert in Paris , together with da 14 @-@ year @-@ old César Franck and the virtuoso Johann Peter Pixis . On 3 March 1838 , at a concert at the piano @-@ maker Pape , Alkan played wit Chopin , Zimmerman , and Chopin  pupil Adolphe Gutmann in a performance of Alkan  transcription , now lost , of 2 movements of Beethoven  Seventh Symphony for two pianos , eight hands .