Yavarum Nalam (English: All are well) is a 2009 Tamil horror film directed by Vikram Kumar, starring R. Madhavan and Neetu Chandra in the lead roles. Produced by Suresh Balaje and George Pius, the film was simultaneously filmed and released in Tamil and also Hindi as 13B with a slightly different cast. The film's soundtrack was composed by Shankar-Ehsaan-Loy and background score by Tubby Parik. The film was released on 6 March 2009 to highly positive reviews from critics.

Manohar, an upper-middle class Indian, moves into a new apartment - 13B on the 13th floor - with his family, fulfilling one of his life's biggest dreams. But the family is greeted by a series of small trivial incidents such as milk getting spoiled that could be regarded as inauspicious but are shrugged off by the excited Manohar. The lift in the apartment does not operate for Manohar.

The women in the family get hooked on to a new TV show Yavarum Nalam (Everyone Is Well, or Sab Khairiyat in the Hindi version). The show is about a family eerily similar to theirs who have also just moved into a new house just like they have. As the serial unfolds, Manohar notices that the incidents that happen in the serial are a reflection of what has happened to Manohar and his family. The serial mirrors Manohar's family life. For example, his sister graduating first-class, his wife getting pregnant and later suffering a miscarriage. The rest of the family remains oblivious to the similarities and Manohar prefers it that way to avoid panic. He also notices that his camera will take twisted pictures of him while he is in the apartment, but not while he is out of the apartment.

13B may refer to:

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A film, also called a movie or motion picture, is a series of still or moving images. It is produced by recording photographic images with cameras, or by creating images using animation techniques or visual effects. The process of filmmaking has developed into an art form and industry.

Films are cultural artifacts created by specific cultures, which reflect those cultures, and, in turn, affect them. Film is considered to be an important art form, a source of popular entertainment and a powerful method for educating – or indoctrinating – citizens. The visual elements of cinema give motion pictures a universal power of communication. Some films have become popular worldwide attractions by using dubbing or subtitles that translate the dialogue into the language of the viewer.

Films are made up of a series of individual images called frames. When these images are shown rapidly in succession, a viewer has the illusion that motion is occurring. The viewer cannot see the flickering between frames due to an effect known as persistence of vision, whereby the eye retains a visual image for a fraction of a second after the source has been removed. Viewers perceive motion due to a psychological effect called beta movement.

Michael Joseph Jackson (August 29, 1958 – June 25, 2009) was an American recording artist, entertainer, and businessman. Often referred to as the King of Pop, or by his initials MJ, Jackson is recognized as the most successful entertainer of all time by Guinness World Records. His contribution to music, dance, and fashion, along with a much-publicized personal life, made him a global figure in popular culture for over four decades. The seventh child of the Jackson family, he debuted on the professional music scene along with his brothers as a member of The Jackson 5 in 1964, and began his solo career in 1971.

In the early 1980s, Jackson became a dominant figure in popular music. The music videos for his songs, including those of "Beat It", "Billie Jean", and "Thriller", were credited with transforming the medium into an art form and a promotional tool, and the popularity of these videos helped to bring the relatively new television channel MTV to fame. Videos such as "Black or White" and "Scream" made him a staple on MTV in the 1990s. Through stage performances and music videos, Jackson popularized a number of complicated dance techniques, such as the robot and the moonwalk, to which he gave the name. His distinctive musical sound and vocal style influenced numerous hip hop, post-disco, contemporary R&B, pop and rock artists.