Dhanush's upcoming film 'Raayan' features AR Rahman completing the background score. The release date speculation adds to the anticipation.
source https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/raayan-dhanush-gives-his-fans-a-sneak-peek-into-the-making-of-background-score-with-ar-rahman-see-photo/articleshow/110506207.cms
source https://timesofindia.indiatimes.com/entertainment/tamil/movies/news/raayan-dhanush-gives-his-fans-a-sneak-peek-into-the-making-of-background-score-with-ar-rahman-see-photo/articleshow/110506207.cms