CREATE TABLE table_25374338_1 (theme VARCHAR, original_artist VARCHAR)

What is the theme where the original artist is Noemi feat. Fiorella Mannoia?
SELECT theme FROM table_25374338_1 WHERE original_artist = "Noemi feat. Fiorella Mannoia"
SELECT "theme" FROM "table_25374338_1" WHERE "Noemi feat. Fiorella Mannoia" = "original_artist"