What is the fine-grained topic of the following text: 'Brighter Day' is yet another masterpiece and is already a huge success of 2013, gaining massive support from his colleges and being picked up by day-time dutch radio station SLAM-FM for their TOP40 playlist, reaching a peak of number 8 in the TOP40 chart after 8 weeks! Only return the topic.
The success of the song 'Brighter Day' in 2013.