What effect does the celesta have in hedwig's theme?

In "Hedwig's Theme," the celesta adds a magical and whimsical quality to the music, perfectly encapsulating the enchanting world of Harry Potter. Its shimmering, bell-like tones evoke a sense of wonder and innocence, enhancing the theme's ethereal atmosphere. The celesta's unique timbre contrasts with the orchestral backdrop, highlighting key moments and creating an otherworldly feel that resonates with the audience. This instrument plays a crucial role in establishing the theme as iconic and memorable.