3... 3 first letters + girls name. Awkward one to give clue to - think mouth organ.
Thanks everyone for extra clues - I also need ....
16. Goodbye in Rome once, thanks to dance (6)
21. Percy's piece sounds a good opener in WC2 (6,2,3,6)
47. Song asking wherher you know the king and the prime minister (3,3,4,4)