The Mexican-American composer Conlon Nancarrow (1912–1997) lived in relative isolation in the suburbs of Mexico City, where he created an extremely innovate œuvre on a player piano. It was only at a late age that he gained international recognition with his scores that, to this day, are almost too complex for modern music technology. Some of his works will now be performed on an original player piano at the festival Free! Music. A rare treat. To article...