"O…Saya" is a song from the soundtrack

Slumdog Millionaire (soundtrack)

Slumdog Millionaire: Music from the Motion Picture is the soundtrack album of the British drama film Slumdog Millionaire, directed by Danny Boyle. The original score and songs were composed by A. R. Rahman, who planned the score in two months and completed it in two weeks, a far shorter time period...

 of the 2008 film Slumdog Millionaire

Slumdog Millionaire

Slumdog Millionaire is a 2008 British epic romantic drama adventure film directed by Danny Boyle, written by Simon Beaufoy, and co-directed in India by Loveleen Tandan. It is an adaptation of the novel Q & A by Indian author and diplomat Vikas Swarup...

. The song was composed by Indian

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

 musician A. R. Rahman

A. R. Rahman

Allah Rakha Rahman is an Indian composer, singer-songwriter, record producer, musician, and philanthropist. Described as the world's most prominent and prolific film composer by Time, his works are notable for integrating eastern classical music with electronic music sounds, world music genres and...

 and British

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 vocalist M.I.A.

M.I.A. (artist)

Mathangi "Maya" Arulpragasam , better known by her stage name M.I.A. , is an English singer-songwriter, rapper, record producer, painter and director of Sri Lankan Tamil descent. Her compositions combine elements of hip hop, electronica, dance, alternative and world music. M.I.A...

, both of whom performed on the recording. It charted in the Billboard Hot 100

Billboard Hot 100

The Billboard Hot 100 is the United States music industry standard singles popularity chart issued weekly by Billboard magazine. Chart rankings are based on radio play and sales; the tracking-week for sales begins on Monday and ends on Sunday, while the radio play tracking-week runs from Wednesday...

  at 93, the Hot Digital Songs

Hot Digital Songs

The Hot Digital Songs chart ranks the best-selling digital singles in the United States, according to Billboard.Beginning in February 2005, digital sales have been incorporated into many of Billboards music single charts. It was decided to do so mainly because of the dramatic rise in popularity of...

 at 63, and the Canadian Hot 100

Canadian Hot 100

The Canadian Hot 100 is a music singles popularity chart issued weekly by Billboard magazine which ranks songs in Canada. The chart debuted in the Billboard issue dated June 16, 2007 and was made available for the first time via their online services on June 7, 2007...

 at 68.

Rahman got interested in M.I.A. after listening to her debut album, and upon meeting Rahman the singer said she was a big fan of his work. Director Danny Boyle

Danny Boyle

Daniel "Danny" Boyle is an English filmmaker and producer. He is best known for his work on films such as Slumdog Millionaire, 127 Hours, 28 Days Later, Sunshine and Trainspotting. For Slumdog Millionaire, Boyle won numerous awards in 2008, including the Academy Award for Best Director...

 suggested M.I.A. work with A. R. Rahman

A. R. Rahman

Allah Rakha Rahman is an Indian composer, singer-songwriter, record producer, musician, and philanthropist. Described as the world's most prominent and prolific film composer by Time, his works are notable for integrating eastern classical music with electronic music sounds, world music genres and...

 on a piece for the score of the film. The song was then composed through continuous e-mail

E-mail

Electronic mail, commonly known as email or e-mail, is a method of exchanging digital messages from an author to one or more recipients. Modern email operates across the Internet or other computer networks. Some early email systems required that the author and the recipient both be online at the...

ing between Rahman in India and M.I.A. in England.

The song was nominated for an Academy Award for Best Original Song

Academy Award for Best Original Song

The Academy Award for Best Original Song is one of the awards given annually to people working in the motion picture industry by the Academy of Motion Picture Arts and Sciences . It is presented to the songwriters who have composed the best original song written specifically for a film...

 at the 81st Academy Awards

81st Academy Awards

The 81st Academy Awards ceremony, presented by the Academy of Motion Picture Arts and Sciences , honored the best films of 2008 and took place February 22, 2009, at the Kodak Theatre in Hollywood, Los Angeles beginning at 5:30 p.m. PST / 8:30 p.m. EST...

, but eventually lost to the song "Jai Ho

Jai Ho

"Jai Ho" is a Hindi song composed by A. R. Rahman, with lyrics by Gulzar, for the 2008 film Slumdog Millionaire. It accompanies a choreographed dance sequence at the end credits of the film. The song also features vocals by Mahalakshmi Iyer, Tanvi Shah, Vijay Prakash, and Sukhwinder Singh, who is...

", also from Slumdog Millionaire. M.I.A. said the nomination was an honor, stating "Maybe I can afford to book Dave Chappelle

Dave Chappelle

David Khari Webber "Dave" Chappelle is an American comedian, screenwriter, television/film producer, actor, and artist. Chappelle began his film career in the film Robin Hood: Men in Tights in 1993 and continued to star in minor roles in the films The Nutty Professor, Con Air, and Blue Streak. His...

 at the baby shower now." At the awards ceremony, the song was performed by Rahman, surrounded by dancers and taiko

Taiko

means "drum" in Japanese . Outside Japan, the word is often used to refer to any of the various Japanese drums and to the relatively recent art-form of ensemble taiko drumming...

 drums. M.I.A. was expected to perform, but could not due to just giving birth a week prior.

According to the digital music sheet published at musicnotes.com, the song is written in the key

Key (music)

In music theory, the term key is used in many different and sometimes contradictory ways. A common use is to speak of music as being "in" a specific key, such as in the key of C major or in the key of F-sharp. Sometimes the terms "major" or "minor" are appended, as in the key of A minor or in the...

 of B minor

B minor

B minor is a minor scale based on B, consisting of the pitches B, C, D, E, F, G, and A. The harmonic minor raises the A to A. Its key signature has two sharps .Its relative major is D major, and its parallel major is B major....

, with a moderately fast tempo.

The song featured during the 2009 NFL Draft

NFL Draft

The National Football League Draft is an annual event in which the National Football League teams select eligible college football players and it is their most common source of player recruitment. The basic design of the draft is each team is given a position in the drafting order in reverse order...

.