bit puzzled by two clues
17d Sum of money awarded to an employee at the end of a period of employment (8) G?A?U???
I assume that this is GRATUITY
but that would not fit if
27ac 1994 number one hit single by celine dion (5,5) ?H?N? ??I?E
I assumed was SHINE SHINE maybe it is SHINE THINE or something else ?