Instrumental performer (6)
(Other definitions for player that I've seen before include "Performer" , "Sports participant" , "Sports team member" , "one on the wing, perhaps?" , "Sportsman - instrumentalist" .)
(Other definitions for musician that I've seen before include "Composer or performer of vocal or instrumental sounds" , "Instrumentalist, player" , "Cellist or violinist" , "Violinist, e.g." , "Although minus CIA, one plays" .)