Input (grade 12): Astor PantaleÃ n Piazzolla (March 11, 1921 â "July 4, 1992) was an Argentine tango composer and bandoneÃ n player.
Output (grade 12): Ã stor PantaleÃ n Piazzolla (March 11, 1921 â "July 4, 1992) was an Argentine tango composer and bandoneÃ n player.