Question: 3 is a 2012 Indian Tamil romantic-psychological thriller film written and directed by Aishwarya R. Dhanush in her directorial debut, The film gained high anticipation due to the viral marketing of which song, from the soundtrack of the 2012 Tamil psychological thriller film, "3"?

Context articles: Minmini (upcoming film)
Kaadhal Kondein
Kannukkul Nilavu
Kattradhu Thamizh
18 Vayasu
Why This Kolaveri Di
3 (2012 Tamil film)
Yaar Nee?
Julie Ganapathi
Cinderella (2017 film)

Minmini is an upcoming Indian Tamil psychological thriller film directed by Ramkumar of "Mundasupatti" fame.
 The film features Vishnu and Amala Paul in the lead roles.
 Featuring music composed by Ghibran, the venture began production in November 2016.
Kaadhal Kondein (also spelled as Kadhal Konden ;English: "I fell in love" ) is a 2003 Indian Tamil romantic thriller film written and directed by Selvaraghavan, starring his brother Dhanush and newcomer Sonia Agarwal in lead roles, whilst newcomers Sudeep Sarangi, Nagesh and Daniel Balaji play supporting roles.
 The film, which has music scored by noted musician Yuvan Shankar Raja and cinematography handled by Arvind Krishna, released on 4 July 2003, winning critical acclaim and becoming a commercial success upon release, and is considered as the breakthrough film of Dhanush that catapulted him into the main foray of lead actors in the Tamil film industry.
Kannukkul Nilavu (Tamil: கண்ணுக்குள் நிலவு ; English: The moon in (my) eyes ) is a 2000 Tamil psychological thriller film written and directed by Fazil.
 The film features Vijay and Shalini in the leading roles, while Raghuvaran, Srividya, Kaveri and Ponvannan play other supporting roles.
 The film opened in January 2000 to positive reviews, and was a Super Hit at the box office.
 In 2017, the film was dubbed into Hindi as "My Duty" by WAM India Movies.
Kattradhu Thamizh (English: Learned Tamil ; previously titled "Tamil M. A.") is a 2007 Indian Tamil psychological thriller film written and directed by Ram, who directs his debut film.
 Produced by N. Shivaprasad and Salmara Mohammad Sharief, it stars Jiiva, Anjali and Karunas.
 The film was released on 5 October 2007.
18 Vayasu is a 2012 Indian Tamil psychological thriller film written and directed by R. Panneerselvam starring the actor known as Johnny.
 Gayathrie plays the lead female role.
 The music is by Charles Bosco.
 It has also Dubbed in Hindi under the BIG4UMOVIE
"Why This Kolaveri Di" (English: Why This Killing rage, Girl? )
 is a song from the soundtrack of the 2012 Tamil psychological thriller film, "3".
 The song is written and sung by Dhanush, and composed by Anirudh Ravichander.
3 is a 2012 Indian Tamil romantic-psychological thriller film written and directed by Aishwarya R. Dhanush in her directorial debut.
 It stars her husband Dhanush, who himself co-produced the film, alongside his wife.
 The soundtrack and film score were composed by debutante Anirudh Ravichander while the cinematography was handled by Velraj.
 The film gained high anticipation due to the viral marketing of the song "Why This Kolaveri Di".
Yaar Nee?
 (Tamil:யார் நீ?
, English: Who are you?)
 is a 1966 black-and-white Tamil psychological thriller mystery film directed by Sathyam and produced by P. S. Veerappa.
 The dialogues were written by M. K. Ramu.
 The film stars Jaishankar and Jayalalitha playing lead roles.
 It is a remake of Hindi film "Woh Kaun Thi?
" (1964).
 The film became successful at Box Office.
 Jaishankar and J. Jayalalitha both acted during the same year in another thriller film followed: "Nee (film)"(1966).
 The Telugu remake of this film was Aame Evaru?
 which again starred Jayalalithaa in lead role opposite Kongara Jaggaiah and was made after success of Yaar Nee.
Julie Ganapathi is a 2003 Indian Tamil psychological thriller film directed by Balu Mahendra, featuring Saritha, Jayaram and Ramya Krishnan in the lead roles.
 The film is an adaptation of Stephen King's novel, "Misery".
 Featuring music composed by Ilaiyaraaja, the film opened to positive reviews in February 2003.
Cinderella is an upcoming Indian Tamil psychological thriller film directed by Ramkumar.
 The film features Vishnu and Amala Paul in the lead roles.
 Featuring music composed by Ghibran, the venture began production in November 2016.