"O" is the title of the debut single from R&B singer Omarion

Omarion

Omari Ishmael Grandberry better known as Omarion, is an American R&B singer, actor, songwriter, record producer, dancer, and former lead singer of the R&B group, B2K. Omarion was spotted at a young age by a manager, Christopher B. Stokes, who took a liking to his vocal abilities...

 and the first from his album of the same name, O

O (Omarion album)

-Release history:-Chart positions:-Personnel:* Joel Campbell - bass, keyboard* Carey Drisdom - bass* Bryan Tate - trumpet* Ryan Tate - trombone-Production:...

. The song was also included on the album Now That's What I Call Music! 18

The single was a top 30 hit in the U.S.

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, peaking at number 27. "O" was also the first choice for Omarion's debut single in the UK

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...

 and was picked over "Touch

Touch (Omarion song)

"Touch" is the second single taken from Omarion's debut solo album O. The song was written by Pharrell Williams and produced by The Neptunes. It was a minor hit in the U.S., peaking at only #94 on the Billboard Hot 100....

", which was the original first choice of UK single. The song peaked at number 47 and spent two weeks within the top 75 of the UK singles chart

UK Singles Chart

The UK Singles Chart is compiled by The Official Charts Company on behalf of the British record-industry. The full chart contains the top selling 200 singles in the United Kingdom based upon combined record sales and download numbers, though some media outlets only list the Top 40 or the Top 75 ...

.

Track listings

UK - CD: 1

1. "O" (album version)
2. "O" (Jiggy Joint remix)

UK - CD: 2

1. "O" (album version)
2. "O" (Jiggy Joint remix)
3. "O" (Urban clean remix) (featuring Ray Cash
   Ray Cash
   Wardell Raymond Cheeks better known by his stage name Ray Cash, is an American rapper from Cleveland, Ohio.-First album:Cheeks grew up in eastern Cleveland. While a high schooler, he performed freestyle raps with his friends providing beats by banging on lunchroom tables...
   
   )
4. "O" (video)
   • Includes a poster

Charts

Chart (2005)	Peak position
U.S. Billboard Hot 100	27
U.S. Billboard Hot R&B/Hip-Hop Songs Hot R&B/Hip-Hop Songs Hot R&B/Hip-Hop Songs, is a chart released weekly by Billboard in the United States.The chart, initiated in 1942, is used to track the success of popular music songs in urban, or primarily African American, venues. Dominated over the years at various times by jazz, rhythm and blues, doo-wop, soul,...	12
U.S. Billboard Rhythmic Top 40	14