Harris Jayaraj is an Indian composer from Chennai, Tamil Nadu. He composes soundtracks predominantly for Tamil films, while also having composed for a few films in Telugu and two films in Hindi.

12B is a 2001 Indian Tamil-language romance film directed and written by cinematographer Jeeva; it is his directorial debut. The film stars Shaam in his debut with Simran and Jyothika in lead roles. Hindi actors Suniel Shetty and Moon Moon Sen play supporting roles, and the music was composed by Harris Jayaraj. The film was released on 28 September 2001 to above-average reviews. Critics praised the new concept but criticised the narrative, which they found confusing.