Original: Giuseppe Domenico Scarlatti ( October 26 , 1685 -- July 23 , 1757 ) was an Italian composer who spent much of his life in the service of the Portuguese and Spanish royal families .
Simplified: Domenico Scarlatti ( born Naples , Italy , 26 October 1685 ; died Madrid , Spain 23 July 1757 ) was an Italian composer and harpsichordist .