Possible Clues:

• Frédéric --, Polish composer and pianist
• Barman: c-climb aboard
• Frédéric who composed the 'Revolutionary' Étude
• Composer spoken of as 'performance god'
• Polish composer and pianist, d. 1849
• Work has gone into hit for maestro
• The writer of the music from One Direction behind split
• Frédéric --, Polish-born composer who wrote chiefly for the piano
• Feature absorbing work for keyboard whizz
• Contribute nothing to replace current composer