Singer under the control of the hypnotist Svengali, and a hat (6)

I believe the answer is:

trilby

(Other definitions for trilby that I've seen before include "one by du Maurier?" , "Man's hat or girl hypnotised by Svengali" , "It was felt to provide capital cover" , "du Maurier's heroine" , "Book by George du Maurier - hat" .)

I've seen this clue in The Irish Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.