A harp being played by the Spanish artist (7)
I believe the answer is:
raphael
'artist' is the definition.
(Italian painter, 1483-1520)
'a harp being played by the spanish' is the wordplay.
'being played' indicates anagramming the letters.
'by' is a charade indicator (letters next to each other).
'the spanish' becomes 'el' ('the' in Spanish).
'harp' is an anagram of 'raph'.
'a' after 'raph' is 'rapha'.
'rapha'+'el'='RAPHAEL'
(Other definitions for raphael that I've seen before include "Angel; Italian painter" , "A Renaissance artist" , "Archangel - Italian painter d. 1520" , "Fifteenth to sixteenth century Italian painter/architect" , "Painter of the Sistine Madonna" .)